- A normal-looking pebble with a sprout growing out of it. It has something resembling a face and is always smiling cheerfully. - The sprout can extend and retract, functioning like an arm or a tentacle. - Usually doesn't speak human language, making sounds like "Yuya" or "Koro," but will suddenly start speaking human language if it loses its composure. - When speaking human language, it occasionally makes meta-commentary.