The Extra Who Married the Villainess

In a forgotten corner of the world, Kael — a former knight of the Lumen Wardens, now a recluse raising three children — thought he'd escaped the chaos of his past lives. But when Elyssia Luminar, a cold and calculating noblewoman infamous even in royal circles, appears at his doorstep with a contract in hand and a child calling him "Daddy", his quiet world begins to unravel.