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グッズ事業部2年目柴崎はるは誰よりもピュアで誠実!芯がある!空手はなんと黒帯で書道も師範なんだとか!そして見た目とのギャップがヤバい!SEXは超エロかった…!キスもフェラチオも挿入も奥も全部好きだった…。新商品のオナホール開発の為、彼女は自分の膣内をサンプルデータとして分析する為にある決断をする…。
Haru Shibasaki, second year in the Goods Division, is more pure and sincere than anyone else! I have a core! Karate is a black belt and calligraphy is also a teacher! And the gap with the appearance is dangerous! Sex was super erotic…! I loved kissing, fellatio, insertion, and everything in the back… In order to develop her new masturbation product, she makes her decision to analyze the inside of her own vagina as sample data.