STARS-549 4 years of affair with a wife and play demon coach! Ikenai physical copulation with a track and field club girl aiming for the best in the world Mahiro Tadai

Oki appeared as a new coach in the track and field club of a private university. Oki was a demon coach who imposes rigorous practice. The members had no choice but to obey such a big tree, though they were dissatisfied with it. Meanwhile, Oki is passionate about teaching Yui, who is more enthusiastic and practicing than anyone else. The relationship of trust between the two eventually develops into a romantic feeling. While aiming for national domination, while giving special training with a three-legged race …