Finally, Marina Yuzuki, a K-cup super-milk actress, has lifted the ban on hemp rope bondage! Marina, a new housekeeper who was introduced by a housekeeper dispatch office and came to a lawyer's house, became interested in the underground vault room, which is off limits, and went inside. Then, he discovers old books and props about SM, and feels unusual excitement and his crotch gets hot. Nikaido, who was watching the figure with a surveillance camera, planned to make Marina remember the taste of rope in order to protect her secret.