Limited to female university athletes! Can you fully utilize your lower body, honed through regular training, for a bare-bottomed buttock massage? A 1 million yen prize for ejaculation! If you don't ejaculate, I'll slip in and thrust my huge cock in without a condom! DVRT-073

A female college student athlete, proud of her sculpted lower body, takes on a challenge involving rapid ejaculation from the buttocks! While instructing a female college student unfamiliar with buttocks ejaculation, the race begins with a head start! Facing a massive, expectantly erect penis, she diligently rubs her vulva, letting out sexy breaths unlike those of an athlete, her hips swaying earnestly towards orgasm! While desperately guiding her to ejaculation, we also experience multiple orgasms! Will the finish line hold a prize or the insertion of a massive penis?