Ten years ago, I was masturbating in my room and my shut-in sister saw me. From that day on, we started having sex in secret from our parents.

Ten years ago, I was masturbating in my room when my shut-in sister saw me. My sister, who was very interested in male genitals, started touching my dick... and I ejaculated as I did. From that day on, we took the opportunity to avoid our parents and asked each other to devour each other's bodies.