Karma X Reader X Asano

When (Y/N) a assassin known as The Shadow Queen gets transferred to Class E also known as the end class to assassinate Koro-sensei. As soon as you enter a certain red head gets in the way as he fights with the principal's son to get into your heart. But the real question is who will win?
Well I hope you enjoy this fanfic it's my first may not be able to update a lot but it doesn't matter.
I'm sorry if I have spelling errors and if some people are OOC well enjoy my piece of shit.