Ryo Tajima

Seiichi Habu is a member of the mysterious outlaw group Avalanche. The group exists at a time when moral hazards run rampant among politicians, bureaucrats, businesses, and even among ordinary people.

Narrates the events and cases encountered by Kaoru Utsumi, a rookie detective, and Manabu Yukawa, a university associate professor, while the two pair up to solve many mysterious cases.