ニンゲン観察 おせっかいな姉がエッチ未経験の弟に性教育！？ゴムの付け方を教えるだけのはずがおマ〇コの取り扱いまでしっかり教えズッポリハメてちゃっかりイキまくる

We encourage a friendly and respectful discussion environment.

• Post content that benefits others. Describe facts rather than opinions, and certainly not personal evaluations.
• Post comments based on the topic of the content. If you wish to refute something, please address the main points of the topic, not tangential details.
• If you find any comments that violate the rules, please do not hesitate to click "report" instead of replying.
• If your words are intended to hurt others, or if you foresee wanting to delete them in the future, please do not post them.
• Posting URLs, political, religious, anti-humanity, reactionary, racially discriminatory, AI-generated, or similar content is prohibited.
• Based on the severity of the violation, administrators will issue temporary mutes, permanent mutes, or account bans.