Toru Tachibana is a police officer who works as a guard at a detention center. He and his colleague Nakano, who lives in a shared room in a bachelor dormitory, are a good pair, joking around with each other. One day, Toru gets his dream job as a detective. He becomes involved in the investigation of a serial theft case, and in the process meets Emiko, who seems to be one of the victims of the theft. Toru develops a personal interest in Emiko, and begins to stalk her.

When his internet business fails and leaves him in heavy debt, Ryota takes a position on a tuna fishing boat set to sail on New Year's Day 2000. In the meantime, he lives indifferently.

After being hit by Kyouko's car, office worker Hideo starts regularly meeting up Kyouko after the accident. With each meeting their feelings for each start to grow and they soon fall in love. The only problem is that Kyouko is married to and has a child with a yakuza boss who is currently in prison.

The 3rd of the Danganronpa live-action adaptations.

After a group suicide, two journalists investigate the cycle of suicides caused by spirits bound by the Suicide Manual.