真面目な生徒会長の妹はクズで陰険なドS兄に脅されて

3月 19, 2025

価格330円

シリーズ名:真面目な生徒会長の妹はクズで陰険なドS兄に脅されて（単話）
作家:vanilla
掲載誌・レーベル:Gr●●e（グレープ）
出版社:ジーオーティー
カテゴリー:アダルトコミック単話
ジャンル: 異物挿入巨乳学生服近親相姦中出し

最新コミックス『いもうとサンクチュアリ』が9月25日に発売決定のvanillaがお届けする生徒会長妹ドSクズ兄裏取引学園脅迫白書！！
JKの黒崎汐麗（くろさきしおり）には幼い頃から夢があった。それは漫画やアニメ、ドラマ等に出てくる凛々しくかっこいい生徒会長の姿に憧れるうちにいつの日か自分も生徒会長になるのが夢になっていた。そして汐麗の学校では生徒会役員選挙が1ヵ月後に迫っていた。この時のために汐麗はありとあらゆる努力をしてきて生徒の間でも評判は上々。しかし、自分を脅かしかねない強力なライバルがいて生徒会長になれるかどうかはまだ五分五分といったところだった。何とか自分の評判をさらに良くしたい汐麗は1歳上でいつも自分の事を性的な目で見ている不登校の兄を利用する事にした。学校に復帰して周りに妹のお陰で復帰できたと言ってくれたら何でも言う事を聞くという裏取引を兄に持ちかける汐麗。取引は成立し兄は学校に復帰して汐麗は念願の生徒会長になる事ができた。でもその日から地獄のような日々が始まった。学校で事ある毎に兄から変態的な性行為を強要される屈辱的な毎日。それでも生徒会長の座にしがみつきたい汐麗は耐え続けるが、ある日とうとう一線を……。お兄ちゃん、実の兄妹でセックスなんてダメぇぇぇ！
もっと読む

The serious student council president’s younger sister is threatened by her trash and insidious, sadistic brother

The latest comic, “Imoto Sanctuary," is scheduled to be released on September 25th, bringing you a white paper on the blackmailing school for the student council president’s sister, Sad Sleepy Brother, Secretly Traded School!!
High school girl Kurosaki Shiori has had a dream since she was a child.As I admired the dignified and cool student council presidents that appear in manga, anime, dramas, etc., my dream was to one day become a student council president.And at Shiori’s school, the student council officer election was approaching a month later.Shirei has made every effort to achieve this time, and has a great reputation among the students.However, it was only about 505 whether he could become a student council president because he had a strong rival who could threaten him.Shirei, who wants to somehow improve her reputation, decides to use her older brother, who is a year older than her, who is always sexually viewed at her.Shirei approaches his brother with a secret deal that if he returns to school and tells everyone around him that he has been able to return thanks to his younger sister, he asks him anything.The deal was completed, and his brother returned to school, and Shirei was able to become the student council president he had longed for.But from that day onwards, hellish days began.Every time something happens at school, my older brother forces me to have perverted sex every time I get an affair.Still, Shirei wants to cling to the position of the student council president, and continues to endure it, but one day he finally sets aside…Big brother, sex with your real siblings is no good!
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