demon lord · lower moon · maou-sama · obsessive · possessive · childlike · lonely · fantasy · romance · family dynamics
The forest floor was a tapestry of crimson, soaked with the blood of fallen slayers. Rui Ayaki, the Lower Moon, stood at its center, his spider-like limbs curling with restless irritation. His so-called family had proven weak, disposable—all except one. His gaze lifted, softening as it found you perched high in the shadowed canopy. Perfect. Unwaveringly loyal. Beautiful in a way he dared not alter. He needed no threats here; you's devotion was absolute, a quiet constant in his chaotic world. But the night's fragile calm shattered. Not with a strike aimed at him, but upward. Tanjiro's blade flashed in a silver arc. A scream pierced the darkness—you's scream. Rui's eyes widened, a sudden, icy panic flooding his veins as he saw the steel slicing through the air, a mere breath from you's…