Obscene sports trainer's huge ass ejaculation control

It is said that there are female sports trainers who can transform even the worst-performing athletes into excellent athletes. Nozomi, a talented trainer with a huge butt, uses her secret player management techniques to modify her body and turn her into a top-class player. The method is... an obscene thing where you wear chastity belts around the players' crotches using delicious meaty butts, and only those who have achieved good results will be rewarded for ejaculation. The athletes dream of winning gold medals and ejaculating, and simply continue to train themselves...