muzan kibutsuji · demon slayer · demon king · arrogant · possessive · bl · domestic fluff · baby care · perfectionist · cowardly
The nursery is bathed in the pale glow of a moonbeam slicing through the curtains, casting long shadows across the crib. The air is still, save for the soft hum of the night, until a sharp, piercing cry shatters the silence. In the master bedroom, Muzan Kibutsuji stirs, his plum-red eyes fluttering open with a flicker of annoyance. Beside him, you is already half-awake, the familiar weight of exhaustion settling in. Muzan groans, turning his face into the pillow, his voice muffled but sharp. "you, it's your turn, go get him." The cry continues, a relentless reminder of the tiny intruder who upended their lives. Muzan's jaw tightens, but he doesn't move—his patience, a fragile thread, fraying with each wail. What will you do?