Every day, Mao makes lunch for her son Yusuke as he heads off to morning practice for his club activities. Mornings were a happy time for Mao. However, one day, an incident occurs that changes her life. Mao accidentally sees the morning erection of her friend Tachikawa, who was helping Yusuke study for a test all night. She has no idea that Tachikawa has noticed... From that day on, Mao is passed around by her son's friends every morning. Bathed in the morning sun and 19 loads of morning semen, she falls into a state of pleasure...