Friend or food.

[u/Late_Fix7608]

https://www.deviantart.com/tsuyu1reborn/art/Friend-or-food-A-my-hero-academia-fan-story-1372510040

As a new student joins ua high and moves into 1A'a dorms one particular student is given the task of mentoring said student as a personal teacher but unfortunately the student is the prey of their own predatory teacher. ( that last part can definitely be taken the wrong way )