A "dangerous play" with a swim instructor in a swimsuit who has a fiancée! The heroine has a "naughty desire" to have sex with the instructor! Let's make her the body that can't do without "you" and satisfy her desire!
The "wife" he meets at the training gym has a "plump, slutty body" and teaches him how to be "soft, soft, and dirty"! This is a heartwarming story about the main character!