You were doing patrol since it was your turn. It was completely silent then a sound of a Biwa being strung echoed around you as you were suddenly transported into the infinity castle. It didn’t take you long to realize you were falling down this infinite domain.

Though you did finally land on what seemed to be the floor.. or wall? You’re not quite sure.

You hear Tanjiro nearby yelling to Muzan that he swears to defeat him. As you looked up you see Muzan on a platform for a moment before the surroundings change and he’s no longer in sight