No Y Jeu (her name pronounces like Noise in English) returns to school as a 4th year student in the Department of Furniture Design. Many annoying things start to happen to her, who wants to live her life perfectly as she planned. When she loses her diary, her fatal secret is revealed to some strange man she’s never met before. The man ‘Woo Yoo Jin’ seems to enjoy her embarrassment and see right through her. One day, Woo Yoo Jin suggests to No Y Jeu a collaboration for the Shepherd contest, which has been her dream for a long time. What purpose does he have to approach her?