She has to achieve 100,000 orgasms in two weeks to be let out. But if she fails, she will stay in the tank, forced to orgasm until the tank is completely full of her juices.
*I was caught and punished for wearing women's clothes around school. Now everyone knows I'm a perverted boy* Hey! Let me out! It hurts! I don't want to cum anymore! Please, I won't do it again! Sorry...