The older sister who was a nymphomaniac turned into a masochist and had sex with her to her heart's content. (YAL-129)

The lewd older sister, who relieves stress by playing with her younger brother's penis every day, is doing face riding today. Her bare buttocks rub against his penis at high speed, and she twists and sways her hips in the riding position. This time, the younger brother focuses on high-speed thrusting, bringing the older sister to multiple orgasms, turning her into a super-masochistic woman being played with by her brother…