22-year-old Yuna is a charming girl with a plump, voluptuous body and a perky 94cm ass. Maintaining a sister-like relationship with her, she's forced into a one-size-too-small competitive swimsuit that accentuates her luscious figure. Her overflowing buttocks, the tight crotch digging into her groin, and the damp stain spreading across the front highlight her lewdness. Her shy expression contrasts with the lustful desire welling up in her as an office lady craving cock, captivating every viewer. Pulling the swimsuit aside and sliding the thick shaft into her wet pussy leads directly into an intensely lewd and erotic scene.