half a year since father left. kana, the mother, is still putting on a brave face. but yusuke is pained by the lonely expressions she sometimes shows. how can he comfort her… yusuke, who is troubled by this, one day witnesses kana masturbating and crying after orgasm. seeing this, yusuke decides to comfort kana's body in place of his father. kana, who is confused, realizes that this is her son's kindness and accepts it with a woman's face.