Miu is a smart career woman who's found her dream job leading the planning division of a famous chocolate company. As if fulfilling her childhood aspirations wasn't good enough, she also gets to work alongside the handsome, sweet-toothed Takada, her number-one fan! Little does he know, though, that she's also his number-one fan! But, as the two grow closer and romance blooms, Miu discovers that Takada has an alarming secret...