Natsumi has a complex about her younger sister Haruna, who is cute and loved by everyone. She finally gets together with Yusuke, whom she has had a crush on for a long time, but she is reluctant to go out with him because she doesn't want him to hate her this time. Takuma, a junior colleague, expresses his love to Natsumi in a straightforward manner. A sweet love story with a single-minded and aggressive younger man that gradually heals the sore in her heart.