Beginning of Toire No Hanakosan

Hiiragi Hanako transfered to a junior high school She was bullied by Ai Nana and Hazuki and her secret had leaked out She was the sole survivor from the family massacre case While Yoshioka Aya a class teacher tried to stop bullying Hazuki went missing Hanako was suspected of being the criminal but Ryouta a classmate spoke up for Hanako And Nana disappeared