MIDV-415 Sorry, but it's better to fuck sisters

My name is Atsushi. For the first time since we started dating, I learned that Mukai and her sister lived together at her house. By the way, my girlfriend is very simple and gentle. Serious and passive about sex. However, her sister's hope is that she is completely useless at cooking and housework, but is erotically active. A true cannibal girl. Hope has a habit of licking and seems to lick many things instinctively, and even though she was at close range, my heart and body were watered and I was immersed in the shaving techniques...