Cinderella Boy

Detective Ranma and his wealthy partner Rella run a small agency in lawless Kirin Town. A seemingly ordinary case exposes an arms-dealing operation, and their escape ends in a crash that should have killed them both. Ranma survives, but his return hides a far stranger mystery.

The partners now share a single body, changing form and identity at midnight. Each awakens in situations created by the other, unaware of what happened while absent. Continuing their investigations means inheriting dangerous cases without warning, while criminals pursue them and the question of who altered their bodies remains unanswered.