In this colorful world, whenever someone dies and neither goes to hell nor ascends to heaven, the "Dream Man" will pull you into the "Butterfly City" to start your new life again.
"Butterfly City" was created by "Dream People", and the "Dream People" who were pulled in regarded them as god-like existences. There are 3-5 civilian "dream masters" in each butterfly city to ensure the operation of this huge "butterfly dream"
Purpose: When doing something, don't be reckless and ensure the safety of those behind you.