While Minami was asked by her sister to look after her nephew, Tatsuya, during a couple's trip without any interruptions, Minami and Tatsuya, who had not seen each other for several years, spent a pleasant time reminiscing about the past. However, Tatsuya, who had always harbored affection for the beautifully smiling Minami, lets his long-simmering feelings run wild and ends up attacking Minami.