Mistress of Cum Control "Do you want to cum?" To be teased by these smiling girls, is is heaven? Or is it hell? With an original male chastity belt, Ai Sayama engages in the most sadistic of plays as she binds it to her boyfriend! She talks dirty, and controls his orgasm... He can't take it anymore and is ready to explode! Indeed she's just getting more and more addicted to controlling his ejaculation!! Is your cock already under Ai Sayama's control?!. Mistress of Cum Control Ai Sayama.