Mizuka, desperate for some pocket money, pretended to be working a part-time job again today, hoping to make some cash by putting her massive breasts to work. But the man who appeared before her was a creepy old guy with an obsession for huge breasts. Just as she was acting all nonchalant, thinking she’d rake in a fortune just by showing off her boobs, Mizuka suddenly found her massive breasts being groped. Her body reacted to the intensity, and she began to lose all her strength. Excited by the thought of “fucking her tits,” the man thrust his cock into her chest…!?

Mizuka desperately searches for the old man who somehow knew her personal information. After seeing her off, the old man introduces himself as Mizuka’s friend. The unsuspecting sisters, with the innocent Momone, guide him into their home. Overwhelmed by her massive exploding breasts, he sobs with desire and pounces on Momone. The clueless girl is dragged into her first taste of pleasure and falls completely into ecstasy! Once Momone has melted into a complete mess, the old man makes a promise to meet her again…