Time Guardian

A girl named Miu discovers a pawnshop that deals exclusively in time, allowing people to borrow it by trading their memories. If the borrowed time is not repaid, those memories are erased permanently. The shop's owner, Tokiya, hires Miu as a part-time "Time Go-Between." While he appears kind, he has his own reasons for engaging in the time trade. Miu is given one strict instruction: she must never reveal the existence of the shop to anyone.