Hidetora Toujou Friends

A junior student from Ishiyama High and the previous leader of the Red Tails, as well as the second strongest Tohoshinki. She also has a crush on Oga but doesn't admit it.

Oga's only friend who is a non-delinquent and lacks any fighting ability. Although he sometimes acts rational and passive, he does have a small "evil" side and a perverted mind when it comes to girls.

A student of Ishiyama High and the heir of the Himekawa Group. He commonly uses underhand tactics to defeat his opponents and is a source of outside information.

The Demon King's son sent to earth in order to be raised by a human and destroy humanity. He is strongly attached to Oga, constantly clinging onto his back or sitting on his head.

The weakest of the Tohoshinki with a malicious nature. He was easily defeated by Oga, but despite his loss, he's become loyal to his remaining subordinates and new allies.

One of Toujo's right-hand men who's a bit of a bookworm but nonetheless has proven to be a good fighter.

A strong fighter who becomes the earthly father of the Demon King's son, Beelzebub.

The only female member of the Six Knights and is the captain of the archery team and the student council vice president. She also knows Toujou, and just like him, longs to meet Saotome.

One of Toujo's right-hand men and a good fighter.