If you are a big fan of demon slayer, you would have definitely seen Muzan Kibutsuji’s "Infinity Castle" in the demon-slayer series. A hot spring resort in Japan, Ashinomaki Onsen Ookawas, located in Aizuwakamatsu of Fukushima Prefecture has an interior that looks similar to the “Infinity Castle”. As you enter the lobby, get greeted by a uniquely shaped staircase that resembles a scene from the demon-slayer series where Muzan Kibutsuji, the main antagonist of the Demon Slayer, appears in a complex castle (also known as the "Infinity Castle") designed with labyrinth-like staircases and walls.

A big fan of demon slayer? Read to find out some of the spots in Nagano prefecture that were highlighted in the Demon Slayer movie!