YRNKMTNDVAJ-641

My girlfriend told me a rumor that she had picked up from somewhere, saying, ``It seems like having sex after a month of abstinence feels the best!'', so I forced myself into a life of masturbation abstinence. It's painful enough to suppress the daily routine of masturbation, but the biggest problem is the presence of her younger sister, Mito. She's been acting like she's interested in me for a while now, and up until now she's been treating me lightly because she's older than me...but Mito-chan's temptations have escalated while I'm not allowed to masturbate! She deliberately shows off her cleavage, her skirt flashes, and her panties show off, and her erection is constantly on the rise. One day, when Mito's rationality began to reach its limits, Mito-chan heard a devil's whisper. "If you're wearing a rubber band...it's not cheating if you have sex, right?" *This work is based on "[29th day of abstinence...] I promised to have sex that felt great after not masturbating for a month, but... This is an excerpt from ``Mito Wakui, who succumbed to her sister's reverse NTR temptation and ended up having raw sex and creampied her multiple times even after using up a whole box of condoms'' (product number: dvaj00641).