Tsukasa's New Assistant (OC x Toilet-Bound)

Henkei a lost ghost that is soon found by Tsukasa. Tsukasa, Sakura, Natsuhiko try to find something to do with her, Henkei realizes that Tsukasa can grant wishes to the already past. As her wish slowly gets granted, she starts to remember her grim past. (Cover art is mine and no one can use it EVER)