Danshi Kokosei wo Yashinaitai Onesan no Hanashi 8 (KCDX)

[Machine Translation] The presence of a hot-blooded science-oriented boy, Taiyo Matsuoka, who becomes a classmate, causes a new chemistry between them! And the two of them finally do 00...! Your happiness is my sister's happiness. She pays off her debts and takes care of her daily life for free! The exciting cohabitation life with the mysterious sister is about to begin! Because of a lie she told on April Fool's Day, Minoru is transferred to a science class. Then, the presence of a hot-blooded science guy, Taiyo Matsuoka, who becomes her classmate, causes a new chemistry! The discovery of Shiori's last name, the underwear dew incident, and the two of them finally doing 00...! The preciousness that overflows from the isent world is at its peak!

クラスメイトとなった熱血理系男子・松岡太陽の存在が、新たなケミストリーを引き起こす！　そして2人がついに〇〇を…！君の幸せがお姉さんの幸せ。抱えた借金を返済してくれて、日々の生活も無償で面倒みてくれる！！　謎のお姉さんとのドキドキ同居ライフ開幕！！エイプリルフールについた嘘が原因で、理系のクラスに編入することになってしまった実。そしてクラスメイトとなった熱血理系男子・松岡太陽の存在が、新たなケミストリーを引き起こす！　しおりさんの苗字発覚や下着露事件、そして2人がついに〇〇を…！　イセントワールドから溢れ出る尊さ最高潮！