お兄ちゃん一緒にお風呂に入ろう！なに恥ずかしがってるの？兄妹じゃん。平気だよ。えっ…なんで…？私の裸を見て勃起したの？そんなの間近で見たら私も… 姫咲はな

I'm Troubled Because My Little Sister Wants To Take A Bath With Me Even Now She's A Girl! Because I like my little sister... I'm worried about her sister's breasts, so of course she strongly refuses to enter... But it's too persistent and I can't refuse it, and when I enter a narrow bath with two people, I can't take my eyes off her sister's big breasts with a size that far exceeds my expectations! On the contrary, my sister's chest hits my arm because the bath is narrow! Naturally Full Erection If You Hit It! If I had an erection, my sister would find out...