"Forbidden Slimming Pills" awaken an incredibly slender beauty! A forbidden incestuous relationship between siblings, where long-suppressed sexual desires are unleashed on her younger brother. Miyanishi Hikaru ROYD-349

A 100kg homebody sister injected herself with a "forbidden slimming drug"! The next day, she appeared before her family... transformed into an incredibly slender beauty!? Her brother, who had always looked down on her, was astonished and overwhelmed with excitement! Having regained her confidence, the sister decided to use her brother's penis to release her pent-up sexual desire! The siblings, as if their previous relationship had vanished, made love frantically again and again, but...