중문막 RTP-031 여동생은 사춘기 한창으로 남자의 몸에 흥미진진! 주위의 아이들은 벌써 남자친구와는 H 끝난데 깊은 여동생은 아직 미경험인 것 같다… 초조한 것인가 오빠의 나에게 성의 고민을 털어 왔기 때문에, 상냥하게 가르쳐 주고 있으면 모지모지 해 내고 뺨을 붉히면서…

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堀口真希

[Chinese Subtitles]RTP-031 My younger sister is in the midst of puberty and is very curious about mens bodies! The girls around her have already had sex with their boyfriends, but it seems like her younger sister is still inexperienced... Perhaps out of impatience, she confided in me, her older brother, about her sexual problems, so when I was gently teaching her about it, she started fidgeting and her cheeks turned red...