While it was night, for some confusing reason, they were teleported to the world of Genshin Impact, it wasn't until Tanjiro realized it when he woke up, it was confusing, he remembered being on the butterfly farm, Then he looked to his side and saw that box where his younger sister was, he sighed in relief at that.

After a while the others became aware of their surroundings, however they had different reactions to it.