ROYD-349 · Awakened Into a Super Slim Beauty by the 'Forbidden Weight Loss Drug'! Forbidden Incest with Younger Brother to Release Years of Pent-Up Lust - Hikari Miyanishi

A shut-in older sister weighing 100kg injects the 'forbidden weight loss drug'! The next day, the person who appears before the family is... a super slim and beautiful older sister!? The younger brother, who had made fun of her until now, cannot contain his surprise and excitement! Having gained confidence, the older sister releases her pent-up sexual desire with her brother's cock! As if their previous relationship was a lie, the siblings fuck each other over and over again, but...