Trickster: Edogawa Ranpo "Shounen Tanteidan" yori OVA

In a near-future Tokyo, the year 203X sees the Boy Detectives Club, led by the enigmatic Kogoro Akechi, tackling cases that baffle the police. But their latest investigation into a mysterious string of disappearances takes an unprecedented turn when they encounter Yoshio Kobayashi, a young man afflicted with an unusual form of immortality. Compelled by an inexplicable desire for death, Kobayashi finds himself drawn into the club's orbit. As the lines between the mundane and the supernatural blur, the Boy Detectives Club must navigate a complex web of crime and the unknown. With the city's safety at stake and a new, immortal member in their ranks, they face a challenge unlike any before, forcing them to confront not only the perpetrators of these bizarre incidents but also the very nature of life and death itself.

✦ AI-drafted summary