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𝔃𝓮𝓷𝓲𝓽𝓼𝓾 𝓪𝓰𝓪𝓽𝓼𝓾𝓶𝓪/zenitsu agatsuma

in this oneshot, you will be kaigaku's sibling. you guys will share the same last name.

you were only a few feet away you heard yelling and crying. your brother, kaigaku l/n, and your fellow trainee, zenitsu agatsuma, were fighting again, and you were the only one who could stop them. you sighed before walking up to them.  you gave kaigaku a glare. he rolled his eyes before walking away.

"i dont know why you even bother protecting that useless weakling." he said. zenitsu wondered that too. why did you even bother protecting him from kaigaku? "THANK YOU Y/N!!" he said. this was normal. you just nodded. day after day this happened. you felt bad for him. you couldnt see why kaigaku bullied him so much.

you decided to say something, as you thought it was time to properly get to know him, after all the times you "saved" him from kaigaku. "hey.. uh, zenitsu? do you want to train with me?" you mumbled quietly. huuuuhhh?! y/n is asking me to train with her/him/them! zenitsu thought happily. he nodded enthusiastically. "of course, y/n!"

from that day forward, you grew closer to zenitsu that you had ever been. kaigaku just left you guys alone, and didnt really bother zenitsu much (he still did, but not as often as before). it was fun getting to know zenitsu more. kaigaku always had one thought whenever he saw you two together: what does y/n even see in that coward? all i see in him is weakness!

zenitsu and you trained together most days, which was the main highlight of that day. you could see him improving slowly, little by little. of course, you and zenitsu's trainer (jigoro kuwajima) mainly trained zenitsu. you guys just liked to show off your skills. then again, nothing has changed about zenitsu, nothing much. he still hasnt stopped being a crybaby, but you didnt mind it. he didnt cry as much as he usually did, but he still cried.

on a cloudy day, you were observing (from a distance), kuwajima train zenitsu. you had decided to watch him train since you had nothing to do, except practice the thunder breathing forms, which you had gotten bored of doing. you were just waiting to practice with zenitsu. you saw zenitsu climb up a tree, since he was afraid he would train to his death. you heard thunder. oh dear. zenitsu better get down from that tree! there's a chance lightning might strike! you thought worridly. while kuwajima told zenitsu to get down, lightning struck.

crap! you thought, panicking. to your relief, you saw zenitsu get up from the ground, dazed. the only difference was that his hair... it had turned blond. you just shrugged. he was alive,

and that was all that mattered.

updated: ✅
idk what really happened when the lightning struck in the actual series, so if you want to you can just comment and correct me. how was this chapter?