Based on a doujin game by CourregesA. Sakuraya Academy is a high-class girls' school. Its stringent selection process is designed to ensure that they take in only the daughters of the most social elite. Kannari Masayoshi is a 4th-year teacher at Sakuraya. Due to his kind and cool nature, all the students fawn over him. However, this is only his outward nature. He makes use of his popularity to form affairs with many of his students. Now, his sights are set on a new girl, Kirihara Yukino.