Karma stood up, tossing his knife in the air and catching it."I guess it's one-on-one now.."

The chalkboard in the empty classroom showed that there were 64 more days until Koro-sensei's deadline.

Karma stood up, seeming both mysterious and confident.

The members of the class that had been killed stood on the wood platform with Koro-sensei and Bitch-sensei. No one dared to let their eyes leave the playing field, even for a second.

"So it comes down to Nagisa vs Karma," Sugino said, unsure of how to feel about it.

"Ballsy tactic," Bitch-sensei commented, sounding impressed. "The kid essentially used Karasuma as his own personal blind."

"A referee goes largely unnoticed on the playing field," Koro-sensei said. "Nagisa honed in on that fact and made himself invisible." The screen showed Nagisa in the position he had been in for the entirety of the match. Karasuma paid no attention to him. "Brilliant! He waited for the perfect moment to reveal himself."

"It's not wise to underestimate Karma, though," he continued as the redhead walked confidently through the open space of the playing field. "Comparing these two on the basis of academic performance, Karma's instincts are that of a natural-born killer That said, the fact must have dawned on him..." Koro-sensei's face became shadowed. "When it comes to matters of assassination, Nagisa is, without question, Karma's greatest adversary." Koro-sensei's smile widened with anticipation.

The screen showed half of Karma and Nagisa's faces, one on each side.

In the end, this came down to a one-on-one.

The class stared open-mouthed at Nagisa.

"Seriously?" Nakamura said aloud.

"No, they're going mano-a-mano?" Sugino's eyes were wide.

Kayano seemed to be the only one that wasn't surprised. "It makes sense. Nagisa and Everyone in E-Class respects Karma in a big way and he needs him to understand where he's coming from."

"Let's move in for a better view!" Okajima said. The class headed off the platform with no hesitation.

Terasaka stood next to Hazama. "A class like this pulls unexpected things outta everybody. You, Kayano, Mimura, and Kanzaki, for example. Some go berserk, some get all fired up to do better next time, some we assume are slackers turn out to actually have a plan, some who pass themselves off as jokers turn out to be dead serious."

Nakamura closed her eyes, unamused. "Aw, shut up."

Nagisa stretched his shoulders, preparing for the fight.

"And weirdest of all, not only does the runt of the litter turn out to be a genius assassin..."

Karma took off the outer jacket of his uniform. His smile clearly showed how much he was looking forward to this.

"...The guy we all thought this came easiest to has gotta work his ass off. So whoever wins this has my respect. With the crazy skill sets we have as a group, something tells me we can handle any challenge that comes our way!"

Nagisa and Karma began walking toward each other and stopped when they were about fifteen feet apart. Koro-sensei laughed, looking forward to seeing what the outcome would be.

A shadow covered Nagisa's eyes. "Ever since we met , to put it simply, I've looked up to him."

Nagisa thought back a few specific instances , he watched Karma wore a cold expression whenever he go.

"Yet he was so closed off , a completely mystery."

"Hey , look ! It's Nagisa !" Tanaka jeered , making Nagisa tense.

"Right at home down with the E-Class." Takada sneered. "Barf. He'll never get back to our class if he continues like that !" Nagisa stared at the ground , trying to ignore them. "Yeah ! The E-Class is the pits ! I'd seriously rather die then go there !"

Then out of nowhere , a green bottled shattered above Tanaka's head , making the two boys scream and flinch back. Leaning the broken glasses closer to their neck.

"Eh ? , you rather die you say ? I can help you out."

"Ah !" Takada ran away with Tanaka at his heel from the source of voice.

Nagisa turn around to see who've helped him. He didn't expect Karma to be standing there with a broken bottled in his hand. "Humf, Pathetic." he dropped it to the ground as it shattered.

"Akabane-kun..." Nagisa said in awe. 

"He did whatever he pleased without fear. And he was absolutely intelligent."

"Oh !" Korosensei nearly choked. " A-A.....p-perfect 500?!?! " he stated shocked as the whole class students gathered around his table staring at the test in disbelief.

Karma smiled. "I'm a new students after all and I have no problem to all this question but you really went the extra mile. So I could handle these questions even though they upped the difficulty." Korosensei stared down at the test results. "And beside... this test was made for junior-high schoolers I've already fine tuned this stuff."

"I want to stay here." Karma added shrugging . "And there's no way I'm leaving until the mission is done."

Nagisa had watched him with admiration. ( if only I could be like that. From where I stood, Karma seemed to have it all figured out.)

"I learned so much from Karma-kun." Nagisa smiled at the memory. "He's always so strong , protective and understanding. He saved us so many times , I wish I could do more for him."

Another memory flashed up. "You had already injured yourself to save us. " Nagisa whispered , his voice cracked. "I'm so sorry , so very sorry. I won't ever made you go through this ever again. Just please , don't hate me "

The pitiful expression on Karma's face is too much for him. His eyes shot open to reveal Karma used the energy he had left to hug him back. Nagisa was too shocked to even move , paralyzed by the sudden embrace.

"He's closer to the class and we all consider him as a dear friend , a family. Over this past year we had all grown protective of Karma after finding about the hardships he had face and yet he was still standing above us and fight for us."

Much to his surprised , Karma actually answered him.

"Karma taught me how to control my bloodlust. " Nagisa looked at the boy who wore a stoic looked. "The kind of bloodlust which I have is wrong to hold on to , and how important it is to have friends to pull you away from it.The pain of being hit , the fear of a real fight.... " Kayano looked nervous , along with the out students. " ....he taught me how to control it."

" I could never hate you "

Nagisa finished with, "This is it. The only way to get our point across is to win." he hesitated , after all Karma had been through , Nagisa is doubting his own strength. "Can I really beat you , Karma-kun ?"

"Don't let those negative thoughts consume you." Karma suddenly said , snapping the boy out of his sense.

Nagisa looked over , confused. "Huh ?"

"Win or Lose," Karma stood straight back up , adjusting his black gloves. " leave it to the battlefield."

There were shadows covering both Karma and Nagisa's eyes. They looked up and made eye contact, their eyes glowing with determination. They both held up their knives.

"You are going down!" they said in unison.

Both Karma and Nagisa sprinted toward each other. They paused when their knives collided. Both colors of paint went flying.

"WE KILL!" Karma shouted.

Nagisa yelled back. "WE SAVE !"

Karma, without looking down, wrapped his leg around Nagisa's ankle and pulled it out from under him. Nagisa immediately regained his balance. Karma then tried to do the same to both of Nagisa's legs, but the smaller boy jumped. When he landed, his feet were facing the opposite direction, preparing an attack.

Karma used his free hand to grab the wrist of the hand Nagisa held his knife with and turned himself around, forcing Nagisa's hands to go above his head. Nagisa clenched his teeth as Karma flung him over his back.

Nagisa landed on his feet and, without hesitation, dove for Karma's stomach. Karma used his feet to stop himself from sliding farther backward. He picked up a foot from the ground and used it to fling Nagisa's body away from him.

Nagisa landed on the back of his neck, rolling once more before crouching on his feet. Karma jumped forward to attack again, but when he saw Nagisa back up in a fighting stance, he stopped himself and moved into his own. They both stood there for a moment, facing each other.

"I'm surprised a tackle that well-timed didn't bring him down!" Sugaya said, eyes wide.

"Karma is an assassin." Chiba reminded them. "Of course there's a pretty big difference in strength between the two of them," he explained. Nakamura was standing next to him, open-mouthed.

"No," Koro-sensei said , confusing the students. "Karma-kun won't hesitate to use the brief window of time to his advantage. But observe Nagisa closely. He's carrying a second blade."

"You think he'll try the clap stunner?" Kayano asked.

Karma and Nagisa were staring at each other with murderous intent.

"Unlikely," Koro-sensei responded. "Karma will have noticed the hilt on his leg. The second blade won't come as a surprise." He began narrated. "Plus the real reason Karma-kun started this fight with Nagisa is to see Nagisa's reslove."

Korosensei glance at the boy who looked extremely calm. "Karma has never underestimate his foe before."

"He knows very well that Nagisa could beat him ," Korosensei notes it out , the Class behind him listen carefully. "he started this fight is also because he wanted to see how much the blue team wanted to save me."

Kayano and the Class watched , surprised by the information. "He just wanted to see your determination , your dedicated to your cause."

The Class watched Karma in a new light.

A TV show addressing a cliffhanger from the last episode. "Two assassins, their weapons and methods worlds apart. How will this contest be settled? ...Don't touch that dial, folks."

"HEY!" Fuwa looked outraged. "LEAVE THE FOURTH WALL JOKES FOR ME!"

Koro-sensei whistled innocently. "I don't know what you mean."

Kayano sighed. "None of you are making sense..."

Karma sprinted toward Nagisa as fast as he could. He forcefully swiped at Nagisa's face with the knife. Nagisa dodged as Karma swung at him again, this time aiming for his chest. Nagisa jumped back and jabbed at Karma's shoulder. Karma swerved out of the way and did the same. Nagisa dodged again.

This time, when Nagisa tried to hit his shoulder, Karma was expecting it. He hooked his arm into the attacking one. Karma used his free hand to grab Nagisa's forearm and slam him onto the ground, not letting go. Nagisa rolled onto his upper back and used his legs to fling Karma over his head. Karma landed on his back hard enough that the wind should have been knocked out of him, but he was on his knees within a fraction of a second.

Before he could rise to his feet, however, Nagisa jumped toward him, knife raised. Karma used his own knife to block the strike, falling onto his back again. Karma's eyes widened and teeth clenched as blue paint flew off the end of Nagisa's knife, revealing that he was unnerved by this attack in particular.

Karma flung Nagisa over his head again, quickly standing and preparing to face him when he attacked again.

Karma waited for Nagisa's next move. "Seems like we're getting there."

Nagisa came sprinting at Karma again, but before he came too close, Karma kicked him in the chest as hard as he could, making both of them fly backward. Karma rolled to his feet quickly and, while Nagisa was still in the air, swung his leg around and nailed him in the side of the head with his heel.

Nagisa let out a shout in pain and slammed face-first into the ground. That wasn't enough to take him out, though. He turned his head toward Karma as the redhead leapt through the air with a Koro-sensei face.

His knife was held above his head. As he drew closer to Nagisa, he spread his legs apart, preparing to straddle his stomach to gain almost complete control over the fight. He thrusted his knife at him with full force, but Nagisa moved out of the way in time. Karma's knife, instead of hitting Nagisa, dug into the dirt.

"Now ! " Nagisa used his heel to kick Karma's knife away. Karma's eyes followed it, his face remain hard to read, as it landed out of reach.

" Woah ! " Karasuma thought, impressed. "He Got his knife away! "

Nagisa looked away from the knife and back at Karma, rushing toward him. "I've got this! "

But Karma was faster. Just as Nagisa was starting to gain momentum, Karma came crashing into him, head butting him in the chin so hard he flew into the air and dropped his own knife.

"Ooh!"

Okana gasped, amazed. "Karma's quick!"

"Both their knives are out of reach!" Sugino said.

Korosensei sniggered. "We'll barely witness Karma's infamous Shi Sonomono but instead his using his own equal strength."

"I'm surprised both of their chins aren't broken," Takebayashi commented. "Or have any concussion."

"Wait," Kayano corrected, "look, Nagisa has another one on his leg!"

Nagisa held one hand to where he had been hit as his other reached for his second knife, but Karma predicted his intentions. He sprinted forward at an incredible speed and slammed his shoulder into Nagisa's chest with as much force as he could, following it up with an elbow to the side of the head. Nagisa stumbled backward and coughed before crouching down. He held the side of his face, the pain great enough for him to stop fighting, if only for a moment.

Karma appeared in front of Nagisa, grabbing him under his arm and on his opposite shoulder. He kneed him in the stomach with every other word that came out of his mouth. Saliva flew out of Nagisa's mouth. Pained as he looked like he was weighing up the odds.

Majority of the Class wince at that impact.

Kayano cringed. "That looked like it hurt."

"Oh my god..." Hazama and a number of others looked concerned.

Karma lifted Nagisa by his hair and hood and held him up, waiting for him to do something. Suddenly, Nagisa looked up and pounded his fist into the center of Karma's face as hard as he could.

Karma dodged the attack swiftly , moving aside. He tilted his head and took his own fist and nailed it on the side of Nagisa's head. He slapped Nagisa hard on he face , Nagisa wince at the impact flying through the air. This time, Nagisa took his foot that was already near Karma's head and kicked him in the side of his face.

"Holy crap!" Hara noticed, worried. "He's taking Nagisa's attacks on purpose!" "His hits have got to be having some kind of effect, right?" Sugaya said.

"Karma really upped his game." Nakamura took a photo of Karma.

"Karma is first and foremost a combat assassin," Koro-sensei explained. "And also a type of assassin that respect his foe. He relishes process, the bargaining, the strategy. Only when he's gone through the moves will he deal the decisive blow."

Koro-sensei continued talking as the fighting went on. "Nagisa, on the other hand, is a pure assassin, single-mindedly searching for the one strike that will secure victory. Karma has trained himself to take a beating. Hit after hit, he'll stand his ground and give as good as he gets. Should he hold out indefinitely, Nagisa will have no honorable choice but to accept defeat."

Nagisa tried to punch Karma's face again. He dodged. Karma spun around and tried to use his opposite arm to swing around and hit Nagisa's head, but he ducked. Karma threw a fist at him, but Nagisa blocked and dodged. When Karma's arm ended up directly beside Nagisa, the smaller boy grabbed his upper arm with one hand and aimed his other fist at the side of Karma's head. Before he made contact, Karma turned his head so he would make hit the back of his head rather than the side. Nagisa let go of Karma's arm and punched him in the side of his face before swinging an elbow at his nose, but Karma blocked it.

He harshly grabbed Nagisa's forearm and the top of his head. He tried to force Nagisa face-first into the ground, but as soon as he let go, Nagisa rolled and turned so he was crouching and facing the redhead. Karma rushed toward him and tried to kick his chest, but Nagisa blocked and punched the side of his head, following up with the same thing to the other side of his face. Karma smiled as if satisfied with Nagisa's performance.

Sugino looked at them amazement. "Their skillset's amazing! " He looked over at Nagisa. "He might lack the physical strength but he's still holding his own and lasting this long with." He looked over at Karma. "And I knew Karma was talented , but it's like he stepped up to whole new level! Damn , what the hell can't he do ?! "

Karma's fist pounded the bottom of Nagisa's chin. Nagisa stepped backward, crouched down, and held his head in his hands, trying to minimize the pain. Karma didn't give him any time before sprinting over to him and lifting his leg as high as he could. He hammered it into Nagisa's head and Nagisa fell straight over in the dead leaves, motionless. Karma stood over him for a moment.

"That was an axe kick!" Terasaka said. "Bring one of those to the table and the other guy doesn't have a chance in hell!"

Karma walked away - the slowest movement since the fight had started. He picked up his knife and turned to look back at Nagisa. Even though he was smiling, his tone was desperate and helpless. "Even if you did save him , I don't know if he'll be able to accept the cost , Karma-kun." The familiar voice echoed in his head , he froze.

He turned his head at his other classmates and teachers. "I'll be dead before I had time to protest. Assassination or not......" His tone became more softer. "One of us has to die......"

Karma fixed his gaze at Korosensei, slight sadness wash over them. "...I'm not willing for it to be him..." He walked back over to Nagisa. ".....not again."

He raised the knife and prepared to strike. But Nagisa suddenly turned and clapped loudly, two inches from Karma's face.

Karma jumped back, dropping his knife. He looked up, glaring harshly but victoriously, his smile even bigger than before." Beware of that last ounce of strength , Nagisa-kun."

"He bit his tongue to keep from dropping!" Koro-sensei exclaimed.

"Go for it, Nagisa! " Karma thought as Nagisa took out his second blade. "Come at me with all that natural talent you had! " Nagisa ran toward him. "Show me all your strength ! Show me how much you want to save him !" Excessive bloodlust and determination showed in Nagisa's face as he rushed toward Karma, surrounded by his snake representation. He thrust his knife toward Karma, almost close enough for it to hit.

Nagisa let go of the knife and let it fly past Karma's ear, still running at him as fast as he could.Nagisa wrapped his arms around Karma's neck from the side. Nagisa's shoulder was under Karma's arm. Nagisa gave a loud shout of effort, bringing himself and Karma to the ground.

"A triangle choke!" Terasaka exclaimed.

"With his carotid cinched, it's only a matter of time before he passes out!" Karasuma's face showed confusion, concern, and surprise. "Nagisa's chokehold is even more effective than it was earlier!"

Karma struggled to escape.

"I'LL SAVE HIM ! NO MATTER WHAT , YOU ARE GOING TO HEAR ME OUT!" Nagisa shouted.

A few students winced when he yelled. "Oh, wow, he's angry," Tanaka commented.

"Look at him!" Yoshida said. "How the hell is he pinning him down like that in the first place?!"

"The element of surprise," Koro-sensei answered. "Nagisa sacrificed his greatest skill to create a red herring, opting to finish with a martial arts move all to make a simple point: Karma's own specialty has, in the end, been turned against him."

"Exactly like I tried to do to him!" Karma thought. "Playing by my terms is making it impossible for anyone to contest the outcome! " He fought , but still couldn't free himself from the chokehold but Nagisa's impact wasn't doing much to knock him unconscious.

As a last ditch effort, he reached out as far as he could to try to find his knife. His eyes widened in surprise as he grabbed the hilt, holding it above his head.

The students gasped. "He's got a knife!" Kimura exclaimed.

"Oh, no!" Kayano's hands covered her mouth.

Karma was bringing the knife closer and closer to Nagisa's back. Nagisa repeatedly grunted with effort, using more strength than he should have had left to keep Karma down.Karma noticed, remembering something Nagisa had told him when the first time Takaoka-sensei came.

"No, I can't fight," Nagisa had said. "Probably too big of a chicken to even try." He'd smiled.

Karma turn to him and place both hands on Nagisa's shoulder. "But you will do it Unless it was absolutely a matter of life and death , right ?"

Nagisa was caught off by the question. "Life and death...?"he trailed. He looked down at the blade and clutched tightly , he looked back up and nodded.

"Is that how much you care about him , Nagisa ? "Karma noticed and his gaze softened." I guess you've won."He jammed the knife into the ground and patted Nagisa's back. "I give up. Nagisa."

Karma stare blankly at the sky. "You win, Nagisa. Good job." Nagisa squeezed his neck harder, grunting with effort. Karma coughed. "Are you listening to me?!"

"STOP!" The students yelled in worry at the distance but was too far to reach.

Karma was getting ticked off when the boy continue to strangle him. "Okay , that's it !" He stood up without afford , shadow cover his eyes. The Class watched with amazement , Karma looked down at the boy who's clinging on him , still trying to strangle him.

Karma easily and swiftly pulled the boy away , the boy in his hold struggle like a puppy. "I SAID YOU WON, " Karma scream , pulling the smaller boy close to his face. "NAGISA !" Clearly sounding pissed.

The Class turn quite after hearing Karma's voiced with rage, no one dare to moved. The sound of leaf cater itself on the ground followed by the gentle wind could be heard.

Machida curled in on himself and closed his eyes tight.

Hazama grimaced and felt her skin prickle unpleasantly, earning a worried look form Terasaka, Muramatsu, and Yoshida.

"Oh snap." Okajima whispered.

Kanzaki shut her eyes and covered her ears, trying to block out the yelling.

Every muscle in Nagisa's body was tense, and when he closed his eyes shut. Karma noticed it and his expression , soften.

"Now Stop." Karma spoke gently and place the smaller boy down to the ground. "You've won."

Nagisa sat on the ground , completely speechless.

"That's enough! Red team has surrendered." Karasuma's voice echoed across the playing field , snapping everyone out of attention."Game over. Blue team is the winner."

Kayano looked over at the boy. "N-Nagisa , meaning...."

"WE WON !" The people on the blue team cheered.

"Okay, cool," Nakamura admitted. "You worked hard for that win, Nagisa."

Nagisa fall to his knee and laid on the leaves beside him. He looked at the ground, exhausted. "I actually... won? I beat Karma?"

Karma brought a hand to his neck as he sat down beside him , he flopped back to the ground next to Nagisa with an exhausted sigh, closing his eyes. "You killed me. Alright, you wanna save Koro-sensei? Talk, I'm listening."

Nagisa sat up, looking at Karma's face. "Are you really? No joke?"

Karma nodded his head and watched Nagisa face's brighten.

"Please." Karma rolled to his upper back, then pushed off the ground from his shoulders and landed on his feet. "Like i've said , this is all a test from the very beginning. Isn't it ? " Although it was a question, he said it like more of a statement.

"I'm really not feeling it after that fight." He turned and made eye contact with Nagisa, but Nagisa looked away, uncomfortable with it for the first time since the conversation had started.

"What now?" He looked away. "Feels kind of weird this late in the game."

Karma held out a hand to him, smiling. "Fine, I'll start us off. Give me your hand... Nagisa."

Nagisa stared at him for a moment , he quickly his his blushed before smiling too. "Thanks, Karma." He accepted his hand.

The class, who had been watching, was happy that they had finally mended their friendship.

"True feelings tend to bubble up when under pressure from a big decision," Koro-sensei said to Bitch-sensei. "Often as not, there's conflict. But look!" he said, gesturing to the members of the class that were talking and getting along just fine, even after having just fought each other. "In the end, harmony reigns because these boys and girls have fought in earnest. They've come to see and appreciate one's true feelings."

Nagisa was talking with Karma, more than a few bruises already visible on both of their faces. He rubbed the back of his neck.

"Sometimes conflict can be the best opportunity to strengthen a friendship," Koro-sensei finished. Karma and Nagisa glanced at each other, sharing a small smile.

"Yes, sir!" the class responded.

The next day in class, the students began discussing their plan to save Koro-sensei.

"To put this in general terms, what about world leaders?" Takebayashi said, standing at the front of the classroom with the three teachers. "Is assassinating Koro-sensei their only game plan? I doubt it. Bear in mind the larger goal is to save the earth from certain destruction. They can't afford to be unilateral. Odds are they've explored options that don't involve killing him. Why don't we look into what those options might be?"

"He's right," Karasuma agreed. "There's research facilities all over the world dedicating themselves to the problem 24/7. Needless to say, their work is highly classified. Finding out what they know will be next to impossible."

Suddenly, Ritsu's enthusiastic voice interrupted Karasuma. "Infiltration of the project database complete!"

"WHAT THE-"

"If it's online, I can access it, no problem." She opened her uniform's jacket to show unlimited data on the inside, her shirt putting more emphasis on her large chest than necessary. "What can I say? I've learned a lot in the past year."

"RISTU STOP STRIPPING!"

Ritsu blushed. "I'm not stripping! I'm showing data!!"

Kataoka whacked Okajima's arm when he got a nosebleed. "Stop looking!"

"Um....N-nice job," Nagisa tried to blocked his face. The class gathered around Ritsu.

"Wow. Every lab in existence has to be on this thing!" Isogai said. "Jackpot!"

"Uh, oh," Ritsu said. "I've combed through all the files, but I'm not seeing any trace of the information we need."

"I guess the higher-ups only handoff that kind of stuff in person," Isogai assumed.

At the front of the classroom, Karasuma sighed and facepalmed , he looked exasperated. "You can't just go around hacking the government!"

Karasuma sighed. "You do realise you can go to jail for this." Rio winked.

"Hey, what's assassination without a little risk, Mr K?!" Hinano smiled sweetly."That's what makes it fun!"

Karasuma pinched the bridge of his nose.

"Great. So is anybody even doing any research on how to save Koro-sensei?" Maehara asked.

"Guys, look!" Fuwa pointed. "There's a lab in the US! 'Preventing Destructive Antimatter Chain Reactions Due to Tentacle Cell Aging and Fission.' I'm no scientist, but that seems like a definite hit to me! 'Last samples return from ISS on January 25th.' What is ISS? Anybody know?"

"Wait a minute..." Kayano realized. "That's..."

"Whoa!" Mimura said excitedly. "The International Space Station! They're conducting their research in outer space!"

"Um, it's possible," Okuda said. "Certain types of research require zero gravity or a perfect vacuum, and, well, of course, if there's a chance it could cause a big, uh, catastrophic explosion, there'd be way less collateral damage."

"Couldn't we just ask for the data as colleagues?" Isogai asked.

"You could, sure," Karasuma responded, "but sadly, you kids are just one outpost among many. With all the red tape involved, that data might not make it in time."

Several of the students looked to the ground, disappointed.

Koro-sensei turned to the teachers. "Mr. Karasuma. Miss Irina." The two looked at him, acknowledging him. "Will you give the students and I a moment?"

"Huh?" They looked questioningly at him. "What we're about to discuss might potentially cause one or two liability issues for you."

After the two had left and the students had returned to their seats, Koro-sensei began leading the class.

"Okie-dokie."

"Here's essentially what you're trying to do. You need to grab a quick peek of the research data in question before it reaches America from outer space."

Isogai looked down. "Yeah, but as for the how..." 

 "How indeed!" Koro-sensei said mischievously, holding up a tablet. The screen had a picture of a rocket with the caption 'Photo: Proof-of-Concept Craft Under Development.'

The class looked at it, confused.

"Lookie, lookie! Guess where this beautifully streamlined bucket of bolts is about to be sent?"

"Is that a manned rocket?" Itona asked.

"Precisely," Koro-sensei answered. "A proof-of-concept craft, developed right here in Japan. Test dummies have been given the honor of taking the first trip." His face darkened mischievously. "But what if they were replaced... with actual people?"

The class gasped, finally understanding what he was saying.