Ririko Takeuchi is a female detective who got into the career more by chance than by choice. Her father, Takeo Takeuchi, is an ex-cop who bought an old kindergarten and made it into a private investigation firm.

Ririko Takeuchi is a female detective who got into the career more by chance than by choice. Her father, Takeo Takeuchi, is an ex-cop who bought an old kindergarten and made it into a private investigation firm.