While the title suggests a story of simple, everyday school life, the contents are more the opposite. The setting is a strange school where you may see the principal wrestle a deer or a robot's arm hide a rollcake. However there are still normal stories, like making a card castle or taking a test you didn't study for.

19-year-old Kubota is ready to find a girlfriend. The perfect chance arises when he meets Masana Fujisaka, his first love, in a club. She's just broken up with her longtime boyfriend and is surprised to run into Kubota, who sees that the perfect opportunity has just arisen.

A mysterious gem called the "Skull Stone" is said to be able to reveal the location of the largest vein of gold in the world. This legend has entranced many people who wanted to get their hands on fame, power and wealth, including the trio of villains in this show: the "Dorombo Gang." However, their hunt for the Skull Stone is not as easy as they imagined, mainly due to the faulty information they receive from their leader, and most of all, by a justical duo of pursuers called the "Yatterman"!

It is said that 70% of the human brain capacity is unused. If humans possess incredible power, it is strongly believed to be lying dormant within this region. This unused 70% brain capacity is known as "Night Head". The famous work 'NIGHT HEAD' is going to break the silence. They were abandoned by their parents because of the psychic power they possessed. They are the Kirihara brothers, who lived in a laboratory within a barrier-protected forest. They have escaped from the laboratory, and a new wave of 'Revolution' is about to arise. A new "Night Head" is about to be awakened.