My cute little sister takes care of me, a virgin who doesn't have a girlfriend despite being a grown man. Then, all of a sudden, she confesses her love for me and kisses me. Since then, her behavior has escalated! One day, she ties me to a chair, toying with me with French kisses and handjobs that bring me to the brink of climax, and then takes my virginity with a fierce cowgirl position. In exchange for releasing me from my restraints, she puts a collar and lead on me and makes me go and get my underwear that she threw in the corner of the room. And so, I became my sister's sex slave...