I want to be my mother!

Yuuko lives with her son Ryota, a ronin student, because her husband is away on his own. Yuuko had a bright and reliable personality and was living a peaceful life, but one day, her husband's junior, Oshima, came to her house and confessed that her husband had been embezzling money. Yuuko insists that her husband, who is known for his seriousness, would never do something like that, but... Unable to contact her husband and eating poorly, Yuuko immerses herself in masturbation to counteract her anxious feelings. Around that time, Ryota noticed something strange about his always energetic mother...