[Doraias Kazuyo] My Sisters Are My Friends...♥ (Tentative Title)

Yuu returns home to meet his new sister Sayaka, and a heated encounter with Genta leaves him breathless and exposed. A confident, tomboyish woman teases him in the bathroom, her lewd expression and provocative movements hinting at a deeper, controlling affection. Trapped in a cycle of distorted pleasure, he realizes Genta has taken everything, turning his innocent return into a relentless battle of desire and submission.