Celebrating a slave his birthday!

Description: Today we're celebrating fiona her slave his birthday! we were waiting in the bedroom with the 3 of us (mistress fiona, her slave girl & me). the birthday boy walks in & is really surprised by us! we ask him to lay down on the bed & relax. we're teasing him like crazy!! we're using a vibrator, we're kneading his balls, shaking his chastity cage & noortje is even licking his balls! he's about to explode, but even on his birthday he is not allowed to cum...