Killed Again, Mr. Detective?

The son of a legendary detective, Sakuya Outsuki prefers to work on small cases. Too bad he has a bad habit of getting killed. Luckily (or unluckily), he carries an unusual secret: Every time he dies, he comes back to life. With his calm and capable assistant, Lilithea, Sakuya finds himself solving increasingly dangerous mysteries—whether he survives them or not.