After years without a boyfriend, Mao Mi decides to attend a mixer event out of desperation. There, she instantly falls for a handsome guy named Takashi and resolves to experience the teenage romance she's only read about in manga. However, something about his attitude gives her the uneasy feeling she might be just another fling. Still, drawn in by his charm, Mao Mi surrenders herself to a dangerous relationship. Surrounded by pleasures she's never known before, her heart and body gradually open up and set free...!