If Cats Disappeared From The World By Genki Kaw Top Direct

The novel follows a young postman who learns he has a terminal brain tumor. Soon after, he meets a devil who looks exactly like him, wearing a flashy Hawaiian shirt. The devil offers a deal: the man can live for one more day for each thing he agrees to make disappear from the world. But each disappearance comes with a cost — when something is erased, so are all memories and experiences related to it.