Shinichi Sanada, a young high school student, attempts to kill himself by jumping to his death. Shinichi survives but is seriously injured. Hayato Fujiwara (Yusuke Yamada), the High School Student President, senses there's more to this than just Shinichi being bullied. Hayato decides to talk to Shinichi's teacher Kyoko Aizawa. Hayato can't get many answers from Kyoko Aizawa except cryptic warnings to "watch out" and "be careful."Fujiwara start to reveal the mystery.