A cheeky new female investigator in a desperate situation

Tsukinari Riko is a rookie JBI investigator with high abilities but a difficult personality. Her senior, Yota Kazumi, is bitter towards Riko and has driven her into danger because of her own fault. In order to clear her name, she investigates the Japanese mafia, the Dokuryu-kai, on her own, but is attacked and taken prisoner. Riko reluctantly sets out to rescue Kazumi, but Kazumi has defected to the enemy. Kazumi reveals her true lesbian nature and, together with enemy fighters, captures Riko and plays with her body. [BAD END]