yuka couldn't remain calm inside even while forcing a smile. her son, who brought her girlfriend, is now making out right in front of her. what welled up when she saw that scene wasn't a feeling of blessing her child, but jealousy and a woman's passion. i don't want that little girl to take my son... as she thought that, yuka's smile became strained. finally unable to suppress her emotions, yuka calls her son. and without caring that her girlfriend is right next to him, she suddenly reaches for her son's crotch...