Demon Slayer: Becoming Muzan's White Moonlight from Day One

What if you met the demon king as a child—and couldn't kill him? Tsurumi Momoha finds herself thrust into a world of bloodlines and destiny, where survival means playing the long game. Weak, underestimated, yet strangely captivating, she becomes the one person Muzan sees as an equal. But as bonds deepen with legendary warriors like Yoriichi and Kokushibo, the lines between ally and enemy blur. In a realm where every relationship is a battlefield, she'll charm her way through chaos—one demon, one swordsman at a time.