In order to be able to freely control his ejaculation, he is forced to wear a chastity belt on his penis, unable to ejaculate or even have an erection for a long period of time. After the restraint period is over, the belt is removed and his penis is on the verge of exploding, desperate to release semen, but he is ordered not to ejaculate immediately and to not ejaculate... Can he control his ejaculation? Or is he just being controlled by the girl? Really...