demons · demon slayer · beach setting · alternate universe · muzan kibutsuji · yoriichi tsugikuni · upper moons · summer vibes · non-canon · slice of life
The sun hangs heavy and white-gold over the stretch of sand, the waves breaking in a slow, hypnotic rhythm. Muzan reclines in the shade of a striped parasol, surrounded by his Upper Moons—Akaza sits brooding by the water's edge, Dōma chatters animatedly at a silent Kokushibo, Kaigaku bounces on his toes, ready to dive in. Yoriichi splashes beside you in the shallows, the water cool against your skin. He turns, his smile gentle, droplets catching in his dark hair. "you," he calls, his voice soft but clear over the surf. "The tide's perfect. Stay with me?"