Maken-ki! (マケン姫っ!, Makenki!) is a Japanese manga series by Hiromitsu Takeda. Takeru was one of the three students that Gen's Element Detector, Keronbo, could not initially It is revealed that Kodama is the daughter of Yatsune, the former Yamata no Orochi, and that her . He wagers that if he wins he will date her.