After tanjirou and nezuko joins the class class 1 A starts to talkore to the slayer now!

Kanao starts to talk Genya and Zenitsu starts to be not so shy, Inosuke starts being "behave" wink wink blink blink and Muichiro still don't talk but he likes to sit on tanjirou crouch

"so you and kanao is married?" said mina questioning tanjirou

"Yup! But I'm the worst husband on earth" said tanjiro sobbing a little and it seems to have a story behind it

"why is that? You are strong and handsome even more then todoroki and that's saying alot"

"well actually that's a long story and I don't really wants to dive in that deap just yet" said tanjirou

"well that's okay to what do you like to eat?" said mina then they chat on and on until deku steps in class

"Good morning deku kun!" said ocako

"You are to late young man you should wake up more early!" said Iida chopping the air

"Yeah and why the long nose deku?" said ocako

"it's nothing I just wanted to speak with someone today" then deku put down his bag on his seat and walk over to Inosuke

"Can I ask you a few questions inosuke kun" said deku with a serious tone

"what may that be?" said inosuke as he jumps onto his desk staring at deku

"are you okay midoriya?" said todoroki while approaching deku

"is some wrong with him deku?" said Iida trying to not notice that he is crouching on the desk and not wearing a shirt and also wearing a mask

"do you know the villan Hero Killer Stain?" said deku has as he breath heavier by the second

Then inosuke pull out his jagged blade and place one on his shoulder

"tell me where did you find and know him!" said inosuke and he clearly know something

"before that can you tell me what is the relationship between you two and how you two met?" said deku not fearing that his blade will take his limbs

"HAHAHAHAHAHAHAHAHAHAH!!!! YOU GOT SOME NERVE TO NOT ANSWER MY QUESTION" Then he raise his blade and chip down his arm but luckily tanjirou stop it

"maybe we can talk this out?" said tanjirou

"FINE!" shout inosuke as he pull back his blade

"give me your blade inosuke" said tanjirou nicely

"NEVER!!" then tanjirou hold inosuke wrist and next is the sound of cracking

"why did you so that?!" said deku surprised

"I'm sorry you have to witness this guys it's just that he wanted to kill some of you guys and he won't think twice doing that and I won't allow that " then tanjirou look at inosuke and kindly ask for his blade menacingly

"find" said inosuke as he gave his pride over to tanjirou

"... Yeah I don't want it anymore take it back just don't do that anymore" said tanjirou not wanting his friend get hurt even tho he broke his arm

"Really?!" said inosuke as he jumps happily in the classroom

"wait I thought you got hurt?" said sero

"nah he never got hurt even if he does he can heal pretty quickly" said zenitsu

"you know it's quite late already where is Aizawa sensei?" said jiro

"oh he is over there in the corner wondering what is going on in his life" said mina

"I don't blame him" said ojiro

"I don't get paid enough" sigh Aizawa

Then everyone get back to their seat like magic inosuke did it because it is cool

"so hello class and today we aren't going to do normal stuff because of the stain problem" said Aizawa

"and the problem child midoriya here can't wait until the pro hero come and charge at him first whice is a bad idea" said Aizawa pointing at midoriya as pro like present mic, Endeavour, vlad King, Nezu and more came in to the class room

"So can you answer us a few questions Inosuke" said Aizawa

"NO ANSWER MR FIRST!" said inosuke jumping onto the desk and taking out both his blade

"inosuke kun please put it down" said tanjirou not knowing what to do anymore

"fine but you guys have to answer my question FIRST!" said inosuke as he draw back his sword

"and what may that be?" said Nezu

"where and how did you know Stain?!"

Then they said something from 第十三章 go read it if you may

"he is to weak! " said inosuke

"now it's our turn to ask, can we?" said Nezu

"GO AHEAD MICKY WANNABE !" shout inosuke

"tell me what you know about Stain" said nezu

"He is my disciples I found on the street" said inosuke and everyone is clearly shock about that

"I'm sorry but can you say it a little bit more clearer" said Endeavour confused and most hero too

"I said I found him when I was shopping and he is in the street I saw him with two blade and I took him home" said inosuke confusing every one

"and why did you did that?" said Aizawa

"I see pontantial in him and nobody is going to adopted him so I took my chances" said inosuke confusing even more people

"is he up for adoption?" said Nezu even with his high IQ he don't know what the fu## is going on

"no he look like a kitten so I took my chances" said inosuke

"oh that's why you are not home for a month" said zenitsu

"Yeah I took him and train everyday!" said inosuke proudly

"did he not attack you?" said Nezu trying to wrap things in his head

"of course that's why he got knock out several times before we train" said inosuke

"do you know what happen to him?" said Nezu

"I was training him one day and then I got transferred to here so I don't know what he did after" said inosuke

"so what are you training him?" said Nezu

"Breath of Beast and I am right that he had talent he learn two breath style and know how to fight like a boar"

"so human nowadays can learn breathing techniques too?" said Nezu

"of course not" said muichiro knowing that what inosuke will say is going to hurt some people

"why is that?" said Nezu

"breathing technique can't live without breathing the clearer the air the greater the power, yet I dont know why our power has  decrease when we appear in here so if a human want to learn a breath style now it will take probably 5 years for the genius "said muichiro

" so Stain power is decrease because of this? "said Nezu while trembling with guilt

" Yes"said the slayer with eyes of despise except ta tanjirou and nezuko

"welp I mean the good side of that is deku not getting kill right?" said tanjirou trying hard to smooth the mood

"yeah that's the best!" said nezuko trying her hardest

"... " said the slayer

"god damn it she's too cute!!!"thought zenitsu

"welp I guess we can talk about this more later and I wanted to get out of this classroom as soon as possible so yeah I guess let's continue class" said Aizawa telling the pro that they can leave now

And then suddenly the room don't feel that dense anymore since the slayer kinda just doesn't care again

"what the fu## is wrong with this people" though Aizawa
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Fun fact :the reason why nezuko isn't talking much is that I almost forgot about her (please don't hate me)