While everyone was resting, for some inexplicable reason, they were teleported to (some fandom), It wasn't until the protagonist, Tanjiro Kamado, woke up, He looked around before seeing the box where his younger sister always was, he sighed in relief that at least she was with him.

After a moment, the others were waking up, but clearly having different reactions.

Meanwhile, The demons were in a cave, because they are weak to sunlight.