[Mikezoutei] Minna ga Kyuuketsuki-ka Shita Machi de Ai wo Sakenda Shounen [MTL]

When a shy boy peeks into his sister’s room, he discovers she has transformed into a dark‑skinned demon girl whose alluring body and wild desires ignite a heated, taboo night with her college club friends. She invites him and her friends to unleash the suppressed passions that have been building, leading to an intense, erotic encounter filled with raw passion and vivid tanlines. The story blends dark fantasy, gender transformation, and explicit intimacy into a thrilling adult‑oriented manga experience.