SCOP-344: 童貞の僕は彼女と初めてのデートの前日に、お姉ちゃんにセックスの練習台となってもらう。もちろん挿入はしないはずだったが、素股で気持ち良くなって興奮してしまったお姉ちゃんは『にゅるん』とチ●ポを入れてしまい…

I'm a virgin, and the day before my first date with her, I ask my sister to be a sex practice table. Of course, I wasn't supposed to insert it, but my sister, who got excited because she felt good with her bare thighs, put in "Nyurun" and Ji ● Po ...