Ana no Oku no Ii Tokoro, 穴の奥のいい秘部[ところ], 구멍 속 좋은 비밀부, The good spot in the back of a hole
Ana no Oku no Ii Tokoro 2

As Nao visits her older brother, Takashi, their sibling bond takes an unexpected turn into forbidden desire. One evening, their lingering touches escalate into passionate kisses, unleashing suppressed longing. Their bodies intertwine with feverish urgency—moans mix with whispered confessions as pleasure blurs the line between family and lovers. Beneath tangled sheets, they explore each other’s most intimate depths, surrendering completely to their taboo passion.