ボクん家の風呂を借りにきた同じクラスの女子の裸を見てしまいフル勃起！思わぬデカチンに面白がって触ってきた女子が興奮して毎日エッチ三昧！そして妹から「ずっとお兄ちゃんが好きだった」と突然の告白！妹も入り乱れハーレム展開に！
I got a full erection when I saw a naked girl from my class who came to borrow my bathtub! The girl was amused by my unexpected big dick and touched it, and we had sex every day! Then my sister suddenly confessed that she had always loved her brother! My sister also got involved and it became a harem situation!
