Her name is Megistus, She Is a Sentient Witch Hat who want to be a real "witch" so she started Experimenting to getting a body for herself and in the end she reanimated a dead body named Ruby that she Found on the forest to be her body, She show expression based on the Black eye on the witch hat because she's not really good at controlling the face of Ruby, so Ruby's body she use Will always have a blank expression and can only control her mouth to speak. She also never had a friend.