A housewife who has been married for 20 years and lives an ordinary life. Recently, she feels that her heart is getting colder as she gets older... She wants to have passionate sex just once more, like when she was a teenager, when just a kiss would make her heart pound. One-day limited time, first and last unfaithful creampie sex with her boyfriend Rika (39 years old) Living in Nakano Ward *****: Son (18 years old)