Subaru moves to Tokyo in search of his childhood friend, to whom he once vowed a future together. However, he discovers that she has somehow become a top idol—and for some reason, she doesn’t remember him at all. It’s as if her entire past has been erased... Determined to uncover the truth, Subaru takes a friend’s advice and disguises himself as a girl to enter the idol world himself. What awaits is a mysterious idol story full of secrets and glitter!