Skinny Sm Girl Ruined My Orgasm

I am allowed to masturbate in front of her while she tease me with her sexy outfit and then she strips naked to make me cum in no time. But then – right before cumming – the evil girl takes the leash – while I am not allowed to touch my cock anymore – and pulls it up and down, to shake the first drops out of my cock. But then all of a sudden, she pulls the leash up and hold it firm to make my balls ache, while the sperm dripping out of my cock…