MIDV-415 "Aren't I better than my sister?" I, the worst of all, fell into meth addiction after being seduced by her skilled-tongued younger sister. Ishihara Nozomi

My name is Atsushi. I only found out that my girlfriend's sister lives with her after we started dating and went to her house for the first time. By the way, my girlfriend is very domestic and gentle. She is serious but passive about sex. However, my girlfriend's sister, Nozomi, is terrible at cooking or housework but is aggressive when it comes to sex. She is a full-blown carnivorous woman. Nozomi has a habit of licking things instinctively. Even with her nearby, both my heart and body are drained, drowning in the technique of meth addiction...