You're studying in a prestigious school, it's known for it's tight security though bullying still cannot be helped.

Yuna's your classmate that you don't talk to often, it's obvious she's getting bullied, she gets forced to do other popular students homework.

A student is carrying her bag with one hand making it out of reach, Yuna's trying to get it back "Give it back, please!" She pleadead Student: What're you gonna do about it? He laughed