A married older man has secretly spent a fortune on Moka, the lounge hostess he visits behind his wife's back. Though she is a gyaru, her unexpectedly serious side has won his heart. When she says she will marry next month, they arrange their first and final private date: an adulterous hot-spring trip. He can barely contain his erection in the car, then fucks her obsessively at the inn, savoring her kisses, oral, and adorable gyaru sex. They film a commemorative threesome with a muscular man before saying goodbye through repeated creampies. He cries as he masturbates afterward and wishes Moka happiness.