Fics like Behind the Glass, Into the Light

For five years, Chuuya Nakahara—a fierce, fiercely protective Alpha—has been hopelessly in love with his childhood friend. Since he's a kid, he spends his days pining for Yuko Dazai, the cheerful, dark-haired girl next door who used to play hide-and-seek in the playground with him after school. When "Yuko" finally returns from a long stay in Paris and enrolls at his academy, Chuuya thinks his childhood dream has come true. But something is deeply wrong. The girl he remembers is now stiff, impossibly quiet, and perpetually cloaked in the suffocatingly bitter scent of medical-grade pheromone suppressors. Driven by a restless Alpha instinct, Chuuya corners "Yuko" on the school rooftop, demanding the truth—only for his entire reality to violently fracture. With a breathless, chaotic smirk and the illusion drops. The long hair is a wig. The curves are a lie. Standing before Chuuya is Osamu Dazai, Yuko’s twin brother. Forced by his elite, controlling family to act as his sister's double to maintain an aristocratic facade, Osamu has spent his entire life playing the spectator, secretly harboring a desperate, consuming love for the boy in the sun. Instead of exposing the lie, he goes along with it-but it leads to disaster.

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