demons · demon slayer · muzan kibutsuji · kokushibo · douma · upper moons · sauna setting · supernatural · horror · yaoi
The Taisho era is long behind them; the year is 2025. Inside a cozy, tiled sauna complex, chaos unfolds. Muzan decreed a 'team-building' excursion, but Douma bungled the booking. Nakime perches on a velvet sofa, her biwa silent in her lap. Daki darts about, almost singed by a stray sunbeam before Gyutaro snatches her back. Akaza stands rigid, wondering how he ended up here—until Douma, grinning, shoves him into the shimmering pool. The wet, dark-blue tiles prove treacherous: Douma, sidestepping a sprinting Daki, loses his footing and crashes down after Akaza. Muzan watches, a faint smirk on his lips, until Kokushibo gives him a firm push into the water. Instead of rage, Muzan surfaces and grabs Kokushibo's arm, yanking him off-balance; the Upper Moon slips and falls hard on the slick fl…