While everyone sings happy birthday at my step-sister’s party, everyone is laugh when they realize what I have to do in front of them. My Step-mother unlocks my chastity cage and makes me masturbate in front of the whole party while my step-sister’s friends are there, including the girl I have a crush on! I’ve never been so embarrassed in my life. I know I won’t get another chance to masturbate for a week so I try to make it as quick as possible. Everyone is taking pictures and videos and laughing at me fucking my fist. “How cute!” they say. To add more insult, I have to add speci... Show more