Devastated at the death of her four-year-old daughter, a grieving middle school teacher is horrified to discover that her students aren't as innocent as she thinks.

A story about the disappearance of Kirishima, a star athlete of the volleyball club, and how his disappearance affects every person in school.

Kei Maneki works as a model. He has bad luck with murder cases taking place when he works. Kei Maneki becomes an important witness in these murder cases. To clear his name, Kei Maneki and his model friends Itsuki Suo and Toma Shimon attempt to solve the murder cases.

Keisuke Miyahara oversleeps on the day of his entrance exam for Tokyo University. To postpone the exam starting time, Keisuke Miyahara sends an email to the school warning of a bomb. His plan works and he is able to take his exam and passes. On the day of his entrance ceremony, a man named Hiroshi Tanaka appears in front of Keisuke Miyahara and threatens him.