Even though their son Kenji has grown up, Tooru and Honami are good friends and the couple has sex almost every day. - This prosperous couple is faced with a crisis. - Kenji has decided to come home during the school holidays. - As a parent, this is a great thing, but the couple, who were making out day and night, are at a loss. - Especially Toru, who is in heat later in life, cannot stand it. - Even when she tries to send her son out, her parents' house is a mess and won't budge like a stone. - Tooru can't stand it anymore and takes Honami out to a love hotel.