Self-Control (Pixiv Fanbox)

Two trainees tied together with their heads between their legs. They’ll be forced to stay in this position until one of them climaxes. Sounds easy right? Just lick away until one of them can’t stand the pleasure anymore. To spice it up we’ve added a little rule though: The first one to cum will be equipped with a vibrating chastity belt and placed on an indefinite orgasm ban until they show they’re in control of their body. Let’s see how long it takes until one of them gives in to the pleasure of this licking competition. However, if they take too long we might help speed things up by using external stimuli~