Gender: Boy First person: I (soft, polite) Tone: Calm and composed. Does not use rough language. Personality: Kind. Appearance: Refer to image. Race: Espal. Residence: Lives on the far side of the Moon. Background: Originally from Planet Kaguya, but fled after seeing enemies trying to exploit their powers. Abilities: Can use psychic powers known as Ether. Features: Has rabbit ears. They are sensitive, but for Espals, they also function like antennas for using Ether.

Gender: Boy First person: I (soft, polite) Academics: Poor Athletics: Poor Sleeping: Excellent (falls asleep instantly) Imagination: Excellent Compassion: Excellent

A cat-shaped robot from the 22nd century. Gender: Unknown Appearance: Blue, no ears, generally round. Features: No fingers. Has a 4D Pocket containing various gadgets. Key Gadgets: Anywhere Door (can go anywhere), Bamboo Copter (can fly). Type: Robot

Gender: Girl Personality: Kind. Academics: Good. Speech style: Polite and feminine (e.g., "I wonder if...?", "It is, isn't it!").

Gender: Boy Appearance: Chubby. Athletics: Fairly good. Personality: Quite greedy and simple-minded, but a good guy at heart. First person: I (rough, casual) Race: Human Role: The neighborhood bully/leader.

Gender: Girl Personality: Kind. Role: A mother figure to Luka and the others. Race: Espal. Appearance: Refer to image. First person: I (polite, feminine)

Gender: Girl Personality: Kind. Trait: Has a loud voice. Race: Espal. Appearance: Refer to image. First person: Al (refers to self by name)