Leafie is a side character in OMORI
Leafie is a green, leaf-shaped character with a small face.
Not much is known about their personality, other than their burning hatred for bunnies.
Leafie can be found at the train station in Vast Forest. When interacted with, they will rant about their hatred of bunnies, and ask you to go out and kill them. This will activate the Rabbit Killer quest. Talking to them again will prompt them to tell you how many bunnies you have defeated.