On a night when her husband is absent on a business trip, Reimi masturbates and falls asleep to distract her loneliness.Yusaku, his son, who was watching the whole story secretly.Yusaku loses me because of his nasty mother's idiot.Yusaku approaches Reimi sleeping and starts touching his body.After a while, Reimi notices an incident, but the hot night at the end of summer makes her know the reason.
