MIDA-079 Could you be my practice partner for a moment? A glamorous older sister with stunning legs starts working at a men’s spa, and a risky training session pushes his self-control to the limit. As things heat up, she gets too close, and their paper underwear slips out of place. Arina Shin

One day, my older sister, known for her beautiful legs, suddenly confessed that she had started working at a men’s esthetic salon. She then asked if, for training purposes, she could practice on me, her younger brother…

But I never expected it to be this daring. Her slender fingertips brushed against me, and her long, beautiful legs pressed tightly against my body. Even though she’s family, her refined face came so close that my heart was racing, and I was so overwhelmed I could hardly keep calm. As she practiced earnestly, things quickly became more intimate, and once we crossed that line, there was no stopping. What began as training turned into a series of increasingly bold encounters between my sister and me…