Asian Drama

Kujo Rina is a chemistry teacher and the homeroom teacher for the 3rd grade D class at Horai High School. She doesn't have a bond with her students. On the school's graduation day, Kujo Rina is pushed from the 4th floor and falls down. She is able to glimpse a school uniform sleeve on the person that pushed her. At that time, she wonders why she was pushed and that she does not want to die.

The next moment, Kujo Rina is standing in front of her students, and she has travelled back in time to one year earlier. She knows that one of the 30 students in front of her will try to kill her in a year. To find the truth about what will happen and to avoid her death, she approaches her students with all her heart. Meanwhile, Ugumori Kanau is one of Kujo Rina’s students in the 3rd grade D class. She is a model student, but she experiences a miserable school life due to her classmates targeting her.

Maki’s mother commits assault and Maki is temporarily placed in the children’s orphanage, Kogamo no Ie. Post is a young girl who reigns as the leader at Kogamo no Ie. While she has lost her parents, she is remarkably strong, resilient and positive. There is also Piami and Bonbi who respect Post. These girls, who each have different backgrounds, do not appear sad and seem quite indifferent. When asked for the reason for the queer nicknames they call each other, Post replies that they have cast away everything they received from their parents including their pasts as well as their names. Even if they constantly think about their parents, there will be no happiness. She advises Maki to leave the past behind. Bravado is the only weapon to protect themselves in this harsh, cold world. However, Maki believes that her mother will come to get her.