Ejaculation Control of Frost Instructor by Kobayakawa

It is said that there is a well-received fitness gym that you can get the body of the target if you join no matter how sluggish man. At first glance, Junko, an instructor at the seemingly indisputable gym, had stoick work on physical modification using a secret membership management method. The method was to feed members with a refreshing buttocks, and give 'the reward' of ejaculation only to those who had achieved the achievement by wearing stewardship. Every day, members dream of ejaculation and continue to train at the gym.