Gaku, who worked as a magazine editor in Tokyo, was troubled because his work wasn't going well. Suddenly, he was called back home by his father. There, he was introduced to his father's remarried partner and former teacher, Rina. Gaku felt confusion and anger at the fact that the woman he had admired became his stepmother, and his jealousy ignited... He couldn't suppress his desires and crossed the line. Since then, Gaku has relied on her kindness and repeated their relationship many times...
