A busty girl, violated by a man out of her sister's jealousy, climaxes with a throbbing sensation during the penetration of a huge penis. HBAD-261

A hardworking older sister in Tokyo, who uses her large breasts to seduce men, moves in with her younger sister. The younger sister even follows her to her workplace and quickly becomes popular. Men who initially liked the older sister start liking the younger sister instead. Enraged, the older sister frames her younger sister, leading to an extremely obese old man assaulting the drunken younger sister. The old man is greatly satisfied by her unbearably large breasts. From then on, the sisters are subjected to the sexual exploitation of lustful men.