Kamikakushi Inc. - Agents Of The Supernatural summary:

"Kamikakushi Inc." - a company that claims to make people vanish without a trace, disguising it as an accident. Arata Kagei, a struggling member of a phone scam group, is dragged by his senior to request Kamikakushi Inc.'s services to eliminate a target. But the true nature of this company is far more shocking than anyone could imagine - their real job is to introduce individuals to some very unexpected clients! Brace yourself for a dark suspense thriller where the mundane world collides with the supernatural!