Mariel Imari is a private eye trying to become a first-rate detective to be able inherit her late father's estate. For some strange reason, the mysterious thief Vecchio is taking an interest in her. As if that...

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...