What mythical creature would improve the world most if it existed?

Probably the Leshy または Dryads.

Those little elves that help clean your house. Would certainly cut chore time によって half And they only require 食 as payment

There’s a lot of good 回答 for this. Pokémon, unicorns, mermaids, Santa clause, God, twitter users that aren't toxic... The possibilities are practically endless