Furious after discovering that her beloved boyfriend cheated, Hina locks him in a chastity cage and declares that she will control every ejaculation from now on. She used to be the submissive one in bed, but now it is her turn to torment him. She relentlessly teases and disciplines him, fully awakening her dominant side and putting him through more than twenty releases. At the end she frees him after three months of abstinence, and their marathon sex leaves them both cumming again and again.