After failing to save the only man who ever showed her kindness, elite assassin Lookmhee Veyron makes one final promise-to protect his family no matter what. To keep them safe and maintain her own hidden identity, she marries his daughter, Sonya Walter, a struggling café worker who believes her new wife is merely a quiet corporate employee. But beneath expensive suits and calm smiles, Lookmhee lives a world stained with blood, secrets, and violence-while slowly becoming addicted to the warmth of a home she was never meant to have. What begins as a marriage of protection slowly turns into obsession, dependence, and a love dangerous enough to ruin them both.

Lookmhee has always been Sonya's constant. Best friends since childhood, neighbors, confidants, inseparable. But when small secrets begin to surface, Lookmhee realizes that knowing someone your whole life does not mean you truly know who they have become. As desire, resentment, and unspoken longing collide, their friendship is pushed to its breaking point.

They had once shared a love that felt effortless, a warmth that made the world fade away. Ten years of marriage should have been a sanctuary, but life and ambition quietly crept in between them. Lookmhee was chasing her name, her dreams, while Sonya carried the weight of unspoken hurt, holding her heart together in silence. When love begins to fade, it is not always loud. It hides in missed glances, in words left unsaid, in the spaces where comfort once lived. Yet even in the quiet, a spark can remain, stubborn and alive, waiting for the moment to ignite again. Treacherous is a story of love tested by ambition, by distance, and by the invisible betrayals that can unravel even the strongest bond. It is about discovering the courage to face the pain, to forgive, and to remember why two hearts once chose each other.

A Compilation of Every Reader's Request, Written with Heart. This link is Part 2. When it reach the 15th story, I'll make a new link for part 3. _______________ Hi my lovely readers. If you've got any wild or sweet or anything of LMSY fanfic ideas swirling in your mind, don't keep them to yourself-share them with me! You can DM me on Wattpad, X, or TikTok. Who knows? I'll probably end up writing it. Let's make this fandom even more fun together, my delulu besties!

LmmSy Sonya es internada en un hospital psiquiátrico por error y se enamora de la loca rara Lookhme. Lookhme otra paciente que es una asesina loca peligrosa que se enamora de Sonya y se quitará a todo el que se ponga en su camino. g!P Lookhme.

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