About Igano Kabamaru and Ookubo Mai's child, Ko-kabamaru.

Nakahara Tougo is a sophomore from class E who was a former shut-in. In his attempt to overcome his past trauma, he decided to have a makeover for high school and as a result, he now plays the part of a sile...

Vol. 1: Deai 1) Kabamaru Gaiden: Deai 2) Souichirou Sono Kiki Ippatsu 3) So Long Fifteen Vol. 2: Japanese Hero 1) Kabamaru Gaiden: Japanese Hero 2) Fu, Kakumei (?)