"I hate myself now." Whatever she does, she fails... Mari is a plain wife who is also disgusted by her husband. Mari wanted to change herself, and Naoki, a visiting host who visits the house of a female neighbor, looked glamorous and radiant to her. So, she mustered up her courage and called out to Naoki. "How can I become like you?" Naoki taught Mari the joys of being a woman. While her husband was surprised at his wife's sudden transformation after being developed, Mari became immersed in her relationship with Naoki...