One day, Tarou Yamada, who runs a detective business, slips on a banana peel and reincarnates into Tsukushi Shikisaki, the younger brother of three beautiful big-breasted sisters who will all die on the same day. As he spends time surrounded by the three

A certain town where rumors of the occult have been suddenly increased.Sei, who lives in this town, encounters a strange girl. The girl wrongly thinks Sei is hitting on her and ends up tagging along with him. However, as it turns out, the strange girl is