Chiori's son is back with a friend. Chiori's joy was great because he was a boy who usually had few such things. However, the young man has an evil desire for Chiori's fulfilling body at first glance. Taking advantage of the kindness of her mother who thinks of her child sneakyly, she urges Chiori to have a physical relationship! While worried between the child and chastity, Chiori falls into pleasure ... [* Bonus images, bonus images, etc. are not included]