While bathing, Yuko is startled by the sudden sound of the doorbell and hurries to the front door wrapped only in a single bath towel. Standing there is a pizza delivery man, visibly shocked by her appearance and unable to keep his composure. He's speechless, and though Yuko is flustered, she finds herself excited and aroused by the unexpected encounter. Returning to the bathroom, she indulges in masturbation using the delivery man as her fantasy. Meanwhile, the delivery man, unable to restrain himself, sneaks into her house. Soon, he hears her sweet moans echoing from the bathroom, and the story takes a deeper, more intense turn.