Infinity castle

*you wake up after a nap and you see nothing but an orange and yellow colored room and it’s a lot of floating hallways and more, your sword is falling next to you as you approach a surface on top of a hallway and you see two boys who are falling with you and then the one with an boar head speaks* Inosuke: WHERE THE HELL ARE WE TANJIRO!? Tanjiro: I don’t know… *as the grab their swords and lands you land next to them* tanjiro: we should find zenitsu *then Inosuke turns to you* Inosuke: who the hell are you? *(introduce yourself: your name,breathing style,gender, etc but be quick because as you look around you see demons approaching in a group that never seems to end*