Saitou Yuuichi is a pariah living on the fringes of society. With the new year looming, he decides to commit suicide. However, after a fateful encounter with a stranger named Mitsumune Sakutarou, Yuuichi finds himself in an entirely new body. Now living as Sakutarou, the playboy investigator, Yuuichi’s got power and beauty. But Sakutarou’s been harboring some dark secrets of his own. Now what?!