Yukko, who majors dance in an arts university, continues to live together with her ex-boyfriend, recognizing each other as "good partner". Recently, she is bothered by her possibility to study abroad, as well as presence of her classmate Tabe, who is close to her seniors at the university. From another perspective, her senior Taki, who has graduated from the university, has been duped by his ex-girlfriend, who is getting married with other guy. Taki, who can't see future ahead, is still unable to move on from his university days.