A 17-year-old high school girl named Hana Odamaki and a 38-year-old male engineer named Shougo Kine experience an inexplicable body swap one day. After living in each other's bodies for a year, they run into each other once more. The former male possessor of the teenage girl's body has undergone a stunning makeover and is now a model with flawless looks. Conversely, the woman who inhabited the engineer's body has lost her job and is suspected of having amnesia. Meeting their altered selves is a radical transformation.
