Wakeari Senpai no Kanojo ni Narimashita

[from lost-translations] "Ah, I want to die." Sagami, who works part time at a convenience store, is a target of bullying - one of the reasons is her grades being not the best. Meanwhile, Onizuka, an ex-studious turned delinquent, gets tangled with her. With their fates now intertwined, how will they grow out of their pasts?