Ushiro no Shindere-san

Karugasaki Tora repeats a grade and turns delinquent in hopes of becoming popular, following his best friend’s advice. Instead, no one in his new classroom speaks to him, and his one bright spot is the cute girl sitting beside him. When he tries to talk to her, she kicks him and throws him out the window. Later that day, Tora saves the girl and a little girl from being hit by a truck. The girl explains that she is a ghost taking part in a shinigami’s game. To return to life, she must make the boy she loves return her feelings at the times marked by a pair of hourglasses; if she fails, they will both be sent to hell. The problem is that her feelings have awakened for Tora.