Every morning, Mao sends off her son Yusuke to his club practice with a packed lunch. "Morning" was a happy time for Mao. But that life changes suddenly. One day, Mao accidentally sees her son's friend Tachikawa's morning erection while he was helping Yusuke study all night for a test. Unaware that Tachikawa had noticed her, from that day on, every morning Mao is passed around to her son's friends. She receives 19 morning creampies and falls into pleasure.
