STARS-549 4 Years Of Adultery With A Demon Coach With A Wife And Children!Ikenai Physical Mating With A Track And Field Club Girl Who Aims For The Worlds No. 1 Mahiro Taii

Des：Oki appears as a new coach in the track and field club of a certain private university. Oki was a demonic coach who imposed tough practices. Although the club members were dissatisfied with Oki, they had no choice but to obey him. Meanwhile, Oki becomes passionate about teaching Yuii, who practices harder than anyone else. The relationship of trust between the two eventually develops into romantic feelings. Aiming to conquer the nation, the two of them train together...