[MIDE-823] The elder sister of the same year who was able to do by the remarriage of parents Nanasawa Ming who always comes without me every day mounted from the top only by one month early

My father remarried and becoming a family with my new mother and her daughter. She's small and cute and looks like a sister, but she's the same old, isn't she? But as soon as I heard my constellation, it suddenly changed! I suddenly started to mount it when I knew I was born first! De S elder sister of the line of sight from the top is always born. I know my virginity and mount it down! If it is a boring class, even if there are people around, it is hand-in-hand to the extent that it kills time! The cowgirl who wants to mount up to the rank! The position is an elder sister mount girl though it looks like a younger sister!