Personal trainer Mizuki uploads training videos to gain views from followers with erotic butt intentions and diligently recruits students hoping for face-to-face training. However, Mizuki has a bad habit. When she realizes that the erect penis of a student with a big ass feels like her preferred shape, hardness, and size through his clothes, she neglects the training and focuses on penis cultivation! The erotic writhing big ass won't let go even after ejaculation! Guaranteed to make one writhe in agony with Mizuki's Spartan big ass training!
