Hinata Fujiura, head hall monitor and captain of the basketball team, had given up on going to college due of her father’s gambling debts... Until, one day, she is offered a scholarship. Her basketball team, which, thanks to transfer student, Nina, had managed to reach a level where they could compete nationally. Everything was going so well. But Hinata discovered her teammate’s true nature… One day after practice, Nina suddenly kisses her in the locker. Hinata tries to resist but is shown a video of her having sex with her sister’s boyfriend. Nina forces Hinata to become her sex slave for a week in exchange to erase the data. Thus begins Hinata’s long week. In the bathroom, Nina plays with her, forcing Hinata to cum repeatedly. After a few days of this intense training using aphrodisiac, Hinata gets soaking wet by just walking into the restroom. As soon Nina touches her, she finds herself controlled by pleasure, craving it despite her mind telling her not to. On the final day...