HBAD-722 - My new boyfriend is a bit of a sadist and always makes me drink semen. Nakashiro Aoi.

College student Aoi fell in love at first sight with Takeshi, a member of her club, and they started dating. However, Takeshi has a sadistic streak and during sex, she is choked, harassed, and made to swallow every time. It escalated to him installing a rotor and making her go for walks, and telling her to pick up a stranger and have sex with him. Takeshi's desires are growing more intense...