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Updated 2026-09-03
The Equation of Him and His Little Sister [Original]
Story by HIYOSHI Hana Art by Naokame [Artist]
AdultComedyHentaiOneshotcreampiex-raycheatingDoujinshidrugsTankoubonBoy Love (Yaoi)Girl Love (Yuri)Blow jobPartial CensorshipIncestMaidscervix penetrationBrother ComplexLove TrianglesReverse RapeObsessive LoveIncest as a Subplot
Its a story about a brother obsessed sister who will do anything to keep her brother pure and clean from the clutches of his girlfriend, going as far as drugging him and taking advantage of him, high sexual content.
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