「やばい！妹に中出し！？」性の知識が希薄な妹は僕の事を男として見ていないのか、家の中ではいつも無防備な姿でウロウロ…。今まで気にした事もなかった僕だったがいつの間にか成熟した身体になった妹をまじまじと見て興奮してしまい… 4
"Sorry! Creampie my sister !?" Maybe my sister, who has little knowledge of sex, doesn't look at me as a man? I hadn't noticed it until now, but before I knew it, I was really excited to see my younger sister who had become a mature body ... 4
