Reiko, who knew that her son's parent friend Atsutane was still a virgin. Reiko, a carnivorous woman who helped her daily frustration and burned down, approached her son to find the gap in the bathroom and try to get some first-time cock, but Reiko's amazing technique quickly exploded. It was a depressed Reiko who saw Tatsuya running away from the scene with embarrassment and humiliation. That night, Reiko wearing a vintage suit appears in Tatsuya's dream pillow where events during the daytime are unforgettable.