Adult (male) お兄ちゃんは妹のスク水奴隷~スク水コキ編~ 妹すたー(Maistar) 2015-08-02 ¥110 File size65.5MB Voice Actor琴音有波(紅月ことね) IllustrationlambdaScenarioうさげ Dirty TalkLotionYounger SisterPetiteSchool SwimwearVerbal HumiliationSubmissive Man LanguagesJapanese / English ★★★★☆4.48Ratings1,445Reviews51Wishlists1,313Sales4,089 ▶Play preview