Former professional athlete Yuka Sawahara makes her AV debut! - A muscular girl with sharpened physical beauty shows off dense sex that makes full use of her muscles! - !! - A stable cowgirl unique to athletes! - A tightly trained abdominal muscle that can be expanded and contracted! - Spanking the muscular gluteus maximus! - In sex using a training machine, you can fully enjoy the beautiful back and pectoral muscles! - Sweaty sex like exercise makes your muscles jerk and cums! - !!