LULU-260 The first time I had a girlfriend, my jealous, big-breasted sister complex sister relentlessly tormented my nipples, turning me into someone who gets hard easily, and she repeatedly stole my semen. Tsukihime Sara

From way back, my sister had been overly protective of me beyond what was necessary. When she found out I had a girlfriend, she became jealous and relentlessly tormented my nipples! 'If you have me as your sister, you don't need a girlfriend,' she said. Her excessive possessiveness led her to use her large breasts to torture my nipples, leaving me utterly spent and drained of semen! Before I knew it, I had been trained to be unable to ejaculate without my sister's nipple torment, becoming completely dependent on her...