むっつりドスケベロリシスターのオス媚びチンイラ逆懺悔〜清楚で可憐で気弱なあの子が、実は脳内妄想まみれのエロメス発情おまんこシスターだった話〜
A shy and lewd sister's reverse confession of her male-pleasing chin-irritation ~The story of how that innocent, cute and timid girl was actually a delusional, erotic, horny pussy sister~