Suzuki Satomi, who idolizes her brother's horse-like penis, is a sister-in-law in MOND-156.

Suzuki Satomi reunites with her long-lost stepbrother. Her stepbrother, who has worked hard in the fields in the countryside, has developed a great physique. Looking at the large, bulging penis under her pants, she admires her stepbrother's horse-like dick...