That JAV

Three years after entering a boarding school, Atsushi will soon graduate. His fulfilling student life is coming to an end, and on the day of the graduation ceremony.... On the way home, when no one is supposed to be coming, a smiling woman comes running from the other side of the road, and it turns out to be his mother-in-law, Shoko. Atsushi is delighted to see the woman of his dreams again, and Shoko, tipsy from the graduation celebration with only the two of them, gently kisses him on the cheek and says, "I'll give you a graduation present...". And then, he is moving up the stairs to adulthood...