[Kozisiki (Kozi Takaichi)] Forced Gender Transformation ~I, the Protagonist, Became the Heroine~ | Kyousei Nyotaika de Shujinkou no Ore ga Hiroin ni

A shy protagonist is thrust into a forced gender transformation, becoming a voluptuous heroine who must confront the intense desires of her new body while navigating a magical card that rewrites biology. Guided by a mischievous thief mage and a protective schoolboy, she discovers the double‑layered panties that conceal her altered anatomy and the erotic tension that follows. The story blends magical intrigue with explicit intimacy, promising a titillating journey of identity, desire, and the struggle to retain one’s true self.