Demons and humans share a planet near Earth. The humans occupy the planet by day and the demons occupy it at night. They live in harmony until some of the demons scheme against the humans. The Guardians rid the planet of the troublesome demonic creatures to preserve the peace.

A West Point cadet and his bandleader brother fall for a singer in the band.

At an academy for mythological warriors, 17-year-old Hercules meets Jason, the next in line to rule Corinth. When Jason discovers that his father is ill, Hercules decides to seek out the Golden Fleece that could cure him. But limitations to his powers, as well as his half-brother Ares, stand in his way.

A new student at a soccer academy is determined to beat her rival's team in the national tournament.

Set in a solitary island school where only students who have caused problems are gathered, and communication from the world is cut off. Homura Itsuki comes to the school as a transfer student. At the school, there is a study group for the 19th-century French cruel drama "Grand Guignol", and Itsuki ends up joining that study group. In addition to the members of the study group, the teachers who manage them, the head chef, the mysterious new teacher, and other people who gather at the school are somewhat suspicious. And finally, a serial murder case like "Grand Guignol" occurs. On an isolated island with no way to escape, Itsuki and his friends are caught up in the vortex of fear of death and love and hate between men.