A loser salaryman named Nanao was caught by his younger sister Rina while masturbating using an erotic book she had stolen from him! Embarrassed, he couldn't help but ejaculate when she requested to see his penis. To his surprise, Rina instinctively took his semen into her mouth and swallowed it all down! Later on, their friend Kana-chan also joined in on the fun, eagerly accepting Nanao's spent penis for more pleasure. In the end, poor Nanao found himself being used as a plaything by these innocent yet horny girls, learning about sex along the way... #Threesome / Foursome

冴えないリーマン・ナナオは思○期の妹りなから取り上げたエロ本でセンズリ中、りなに見つかり「ちんちんニギニギ見せて」とセンズリクエストされる！ 妹とは言え恥ずかしいセンズリ射精すると、なんとりなは反射的に射精中チ○ポを頬張ってごっくん！ 後日やってきた友人こなつちゃんもセンズリチ○ポの射精をパックン！ 結局ナナオは性に興味津々なウブっ子たちの玩具にされてエッチなお勉強に付き合わされるのでした…。 ＃班長P※ 配信方法によって収録内容が異なる場合があります。 特集 最新作やセール商品など、お得な情報満載の『グローリークエスト』はこちら！