"Ok. I have special powers," Marinette spoke to herself once she was up on her balcony and closed the skylight behind her, before grabbing the yo-yo attached to her waist.

"And... apparently this super yo-yo thingy?" She commented as she hooks the ring around her finger and lets the yo-yo go up and down, before grabbing it with her hand. She then threw the yoyo, letting it fly before it secured itself on a gargoyle. Then with a strong pull, the yo-yo sent her flying through the city.

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Over in Arcadia, Jim and Toby; who had already finished the project before calling Marinette; were gobsmacked about her hanging upon them, especially since Marinette seemed to now be a superhero.

"We aren't dreaming, right? Marinette is now a superhero? And she's going to battle a supervillain?" Toby asked, trying to make sense of what they just saw, while Jim just stared at his phone in shock.

"This is crazy, what the heck is going on over there?" Jim said, looking over at Toby, freaking out about his little sister's safety.

"We should find out. Do you still have a subscription to the Paris News channel?" Toby asked, causing Jim's face to light up with realization.

"Yes, I do. Hang on a second," Jim said as he opened up his phone, and pulled up the Paris News app, seeing that there were a few new stories to watch.

"Let's go to the first new one. That's a good place to start," Toby said, pointing to the first video on the list. Jim immediately opens it up.

"Alright, let's see what's going on in Paris," Jim said as the video started up, while Toby watched from behind his shoulder.

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Back in Paris, Adrien had been very impressed with himself for figuring out how this whole thing worked so fast as he walked along with his extended staff as it sat across the space between two buildings as if it was a tightrope.

"I'm starting to get the hang of this," Adrien said as he held his arms out to balance himself as he walked along the staff like it was a balance beam. But that changed when he saw a girl in red flying through the air towards him... or was she falling... Oh, yeah. She was falling. She fell right on him, and they were both knocked down, but her yoyo caught on his staff and tangled them up, saving them at the last second from crashing into the concrete, but making them sway in the air as they were hanging by the yo-yo.

"Well, hey there. Nice of you to drop in," Adrien joked as he looked at the girl in front of him as she nervously smiled at him.

"I'm sorry. I didn't do it on purpose," Marinette admitted as they stopped swaying in the air. Soon after, They were able to quickly detangle themselves from the yoyo string, and land on their feet in the street below.

"I bet you're the partner my kwami told me about," Adrien said as he landed in a crouch and rose to his full height in front of Marinette.

"I'm..." He began, thinking for a moment of a good name.

"Chat Noir. Yeah. Chat Noir," Adrien; now Chat Noir; finished as he introduced himself as his new alter ego.

"And you?" The newly named hero asked while Marinette was still trying to dislodge her weapon from Chat Noirs.

"I'm, ma- uh... I'm ma-" Marinette tried to say, before she finally got her yo-yo and the staff free, allowing both the yoyo and staff to drop onto her partner's head, making Chat Noir rub the spot where it hit as Marinette just looked at her feet in embarrassment.

"Madly clumsy. I'm so clumsy," Marinette said in embarrassment, while Cat Noir picked up his stick from the ground.

"No sweat clumsy girl. I'm learning the ropes, too," Chat Noir admitted right before their conversation was interrupted by Montparnasse Tower falling to the ground a few blocks away. Immediately taking that as a call to action, Chat literally jumped into the fray, much to Marinette's shock.

"Hey, wait! Where are you going?!" Marinette said as Chat Noir extended his stick and pole vaults to a rooftop, only stopping to turn and answer her.

"To save Paris, right?" Chat Noir called, just before he went back to head towards the action, while Marinette was still on the ground.

"Ugh. Trust yourself, trust yourself," Marinette kept repeating to herself a mantra while she pulled out her yo-yo and started swinging her yo-yo as she had before, hooking it onto a chimney. With a firm yank, she is sent flying through the air screaming, in the same direction Chat Noir had gone in.

Meanwhile, at the stadium, the half of Marinette's class that had left the school for PE were still at the field, not having heard the news. But they were in for a surprise when Stone Heart jumped on top of the stadium and found who he was looking for.

"KIM! So, who's the wuss now?" The stone golem roars out, causing most of the class to run as soon as they see a giant stone monster flee. But Kim, being the idiot that he was, had waited until said monster had jumped down and was chasing him before he had the thought to run with the others. He was nearly caught before a pole came down next to him and in front of the monster as Chat Noir touched down onto the ground.

"Hey. It's not nice to pick on people who are smaller than you," Chat Noir snarked as Kim took one look at the leather-clad boy and decided he didn't have time to unpack all of that at the moment so he ran for safety.

"I guess you're talking about yourself," Stone Heart bantered back before he swung for the newly appeared cat boy. Chat Noir dodged easily, being smaller and more nimble than his opponent. The fencing lessons didn't hurt either.

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Meanwhile, in Hawkmoth's lair, the wannabe villain was watching the action of the battle through Stoneheart's eyes and was rejoicing that his plan was working.

"Everything is going to plan. Ladybug and Chat Noir's Miraculous have been activated," Said the slightly more successful fraternal twin brother of Denzel Crocker, as he watched the battle continue.

"Here they come to save the day, and now my supervillain will destroy them," Hawkmoth said, confident that his villain will triumph against the newly made superheroes.

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Back at the stadium, Chat Noir managed to get on the offensive and strike a blow resulting in Stone Heart growing even larger, before he turned to look at Chat Noir with a stomp to the ground.

"Where are you, partner?" The boy in black called out not unkindly but somewhat impatiently, not that he could be blamed for that since he was near becoming a pan-chat. Meanwhile, Marinette was watching worriedly from a distance on the rim of the stadium. She cringed at every near miss the Chat Noir dodged but was having trouble bringing herself to move.

"No, I can't. I'm not gonna be able to do it," She told herself as she watched in horror as a goal was thrown and would have hit Alya who was previously unnoticed in Chat and hadn't been able to throw his baton to catch it. With that distraction and without his weapon, Stone Heart easily picked him up in one fist, while Alya looked up and finally noticed Marinette.

"What are you waiting for, super red bug?! The world is watching you!" Alya called out to her. Meanwhile, Marinette was nervous and scared and not at all confident, but she knew what she had to do. Once she was determined to do something, she did it, no matter what. She dropped down and wrapped her yoyo around the villain's legs while sliding between them.

"Animal cruelty? How shameful," She remarked before she pulled the yo-yo string and the giant fell, releasing Chat Noir in the process, and tumbles into the remaining goal, while Alya excitedly watches.

"Sorry, it took so long, Chat Noir," Marinette apologized as she reached Chat Noir while he got up from the ground.

"It's cool, Wonder Bug. Now let's kick his rocky behind!" Chat Noir said as he cracked his knuckles, then ran out towards the supervillain, and would have charged right back in if Marinette hadn't grabbed his tail before he could.

"Wait! Haven't you noticed? He gets bigger and stronger with every attack. We have to do something different," Marinette brought up while letting go of the boy's tail, causing him to catch himself before hitting the ground.

"Different how?" Chat Noir asked, wondering what his partner had in mind.

"Uh... I don't know," Marinette admitted, trying to figure out what to do, but her partner beat her to it.

"Ok then. Let's use our powers. Cataclysm!" Chat Noir shouts out as he feels a powerful chaotic aura coming out of his right hand.

"Apparently I destroy whatever I touch," The boy said cockily as he smirked at Marinette.

"I don't need a superpower to destroy everything," Marinette said to herself before looking back at Chat Noir as he reached for the goal post

"No, don't do that!" She cried out, trying to stop him from doing something stupid. Too late. Chat Noir destroyed the goal at their end of the field, turning it into a pile of rusted ash.

"Cool. It's just you and me now! Time to rumble soon to be rubble!" Chat Noir said as he impulsively ran towards Stoneheart.

"Chat Noir! Wait!" Marinette yelled out, trying to make him stop. Unfortunately, he did not. He ran and launched himself at Stone Heart and landed a hand on its foot... intent on using 'Cataclysm', but nothing happened!

"Huh?" He said before he tried again, but again nothing happened, as Stoneheart glared down at him.

"Uh oh. I guess I only got one shot to use my power," Chat Noir realized as he waved nervously up at Stone Heart trying his best to look apologetic. Stone Heart kicked him across the field to Marinette and the accursed cataclysmed goal. She was giving him the look, you know when someone is shocked at how dumb something you just did was just like they had tried to warn you? He'd only seen that look on Chloe and in memes, but he definitely recognized it.

"And you only have five minutes before you transform back. Didn't your kwami explain anything to you?" Marinette lectured the boy, not believing his impulsive behavior.

"I guess I was a little excited about my new life," Chat Noir admitted as he stood up from the ground and dusted himself off.

"Well, up to me," Marinette said as she took out her yo-yo.

"Lucky Charm!" She called out as she tossed her yoyo into the air, as it spun and little magical ladybugs created a... wetsuit? Great.

"Superpower," Chat Noir said sarcastically as the object landed into her arms.

"My kwami told me I have to break the object where the akuma is hiding," Marinette said as she looked at the wetsuit in confusion.

"Well, he's made entirely out of stone," The boy said as Stoneheart lumbers towards them, causing Marinette to analyze him in the process, and settling on one obvious detail.

"His right hand. It's still closed. He never opens it. It's like the Russian dolls! The object isn't on him, it's hidden in his fist!" Marinette said, quite proud of herself for that one.

"So what's your plan?" Chat Noir asked, causing her to look around for a moment before taking action. Her vision caused Stoneheart's closed fist, Alya as she was filming from the other end of the field, the hose tap near her, and the hose at the two hero's feet, forming a plan.

"This," Marinett remarked before she picked up the end of the hose that was near them and made a sort of balloon out of the suit around it. She then wrapped her yo-yo around Chat Noir's ankles, before pulling it tight, bringing his feet together next.

"Don't resist. Trust me," Marinette said before she spun around, and pulled Chat Noir into the air.

"This girl's crazy!" Chat Noir shouts out before she launches him towards StoneHeart, who catches him with his free hand. Not that he minded her craziness really, but it was worth noting.

"Catch me if you can!" Marinette called out before she launched herself into the air; wetsuit in hand; and caused him to open his right hand to catch her, dropping the object.

"And now, Alya, the tap!" She shouted out to the reporter. Alya immediately got the hint and turned the hose on. Marinette wasn't the best at science, but she did remember one thing, water cannot be compressed. So hopefully her Lucky Charm wouldn't break, but she had a feeling it wouldn't.

Her hope was rewarded when the wetsuit expanded, causing Stone Heart to release her as his fist was forced open. She ran to the dark purple object and stomped on it, releasing a black and purple butterfly. She looked in wonder as she watched it fly away.

Stoneheart dissolved into purple motes, and Ivan sat on the ground, rubbing his head next to Chat Noir.

"This girl is awesome! She's crazy awesome!" Chat Noir gushed as he was glad everything turned out alright despite him having absolutely no idea what he was doing. Meanwhile, the object turned back into a piece of paper in Marinette's hand and she smiled.

"What's going on? What am I doing here?" Ivan wondered briefly while Chat ran up to his new companion.

"You were incredible miss, uh, bug lady. You did it!" He said, amazed about his new partner.

"We both did it, partner," She said, as smiled at him

"Pound it!" They said at the same time as they fist-bumped in celebration. But right after, Chat Noir's ring beeped and Marinette saw he was on his last minute.

"You should get going. Our identities must remain secret," She warned in case he hadn't been told that either, despite being a hypocrite for doing so earlier with Jim and Toby.

"Farewell, M'lady," he said with a bow, before running off.

"Let's do this again soon, ok?" Chat Noir shouts out as he ran, while Marinette watched as he ran for a place to detransform, using his stick to pole vault to the roof and out of the stadium

"Uh-huh. Not too soon, I hope," She said to herself before she looked at Ivan and uncrumpled the paper in her hand.

"You haven't even got the guts to tell Mylene you love her. Wuss," Marinette read from the paper, immediately feeling bad for her friend, as she walked toward him as he looked at the ground in frustration. Aw. Poor guy.

"Kim wrote it. He's always making fun of me," Ivan admitted as he crossed his arms and continued looking at the ground while Marinette knelt down next to him and placed a comforting hand on his shoulder.

"You know, you shouldn't get so bent out of shape about that. There's no shame in telling someone you love them, Ivan," Marinette comforted, trying to cheer him up.

"Hey, how do you know my name, miss?" Ivan asked, wondering how a 'complete stranger' knew his name.

"Uh-" She began, trying to figure out what to say before Alya came towards them excitedly.

"Uncanny. Amazing. Spectacular! Are you gonna be protecting Paris from now on? How did you get your powers? Did you get bit by a radioactive Ladybug? Oh, I've got a ton of questions to ask you, uh, miss, uh-" Alya spews out; reminding Marinette of Toby, who would most likely ask her a hundred rapid-fire questions; while holding her phone up to record Marinette as she stood up and walked away, but turned around when she trailed off, not knowing her identity. Considering that Chat Noir had come up with a name to call himself by, to keep his identity a secret, why can't she.

"Ladybug. Call me Ladybug," Marinette, now Ladybug said as she turned to face Alya's camera before she ran off to A) make a cool exit and B) avoid all those questions. She loved Alya, but that was a lot.

"Ladybug. Super awesome!" Alya said while she filmed Ladybug as the new hero made her exit.

(Time skip)

"So, thanks to this amateur footage, the Parisians now know the identities of their heroes," Nadja reports, from the news broadcast as Marinette happily watched the footage Alya had taken being played on while sitting in her desk chair

"I did it Tikki!" Marinette happily exclaimed, proud of herself as Tikki flew up to Marinette

"See? You were up to it!" Tikki said right before she cuddled into Marinette's cheek, causing the girl to smile brightly.

"Marinette, dinner time," Sabine calls from downstairs, causing the young designer to excitedly run down. Who knew fighting villains could make you so hungry? She had just sat down while the news changed from Nadja to the Mayor as he addressed the city in front of city hall

"I am pleased to announce that we will be organizing a huge celebration in honor of our city's new protectors, Ladybug and Chat Noir," The mayor said as he addressed the city.

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Adrien was in his room, sitting in front of the T.V as the same news segment played, while Plagg was flying over a line of cloche plates that was Adrien's dinner

"Ladybug. Her name's Ladybug," The boy dreamily spewed out as he watched the footage, right before Plagg flew up to him, holding what appeared to be a bowl of chocolate-covered fruit, which would be Adrien's desert.

"Ew! What is this!" Plagg said in revolt, as he floated next to Adrien.

"Seriously? My personal chef made all this," Adrien replied, feeling insulted for his chef, that the little kwami was being difficult.

"If you expect me to get my energy back after a transformation, I need to eat something more... delicate," The kwami said, much to Adrien's annoyance as he dropped the desert before Adrien sighed in acceptance.

"Ok, what do you want?" He asked, eager to get Plagg pacified so he didn't cause any more trouble.

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Meanwhile, at the Eiffel Tower, the akuma that Ladybug and Chat Noir had released, had flown to the top of the large monument and landed on one of the highest spikes with a flutter of its wings. But a second afterwards, the butterfly suddenly started to multiply, at a ferocious rate, soon filling the sky with the foreboding sign of the swarm of corrupted butterflies.