I ended up staying at my brother's house to study for exams. However, I couldn't focus on studying because I was too distracted by my sexy sister-in-law. I rummaged through her laundry and masturbated with her underwear, but she caught me in the act. My sister-in-law said she would pretend not to have seen anything, but in my excitement, I insisted that it was my fault for being a virgin and begged her to do something about it, even showing her my crotch. Hesitant at first, my sister-in-law eventually gave in to my insistence and slowly began to touch my crotch…
