Mamoru and Hazuki are childhood friends who live in the neighborhood and are on good terms with their parents. Mamoru has feelings for Hazuki, but because they are too close, Hazuki is hesitant to move forward, thinking about the awkwardness that would arise if they broke up. One day, when she keeps putting off giving him a reply, Mamoru invites her over to his house, saying he has a gift for her, and she goes to his house, thinking his parents will be there, but when they are alone, she ends up overhearing his reply to her confession...