Appearance: Queen of the Void. The one who created Agoti, Solazar, and Aldryx. Characterized by black hair ornaments, long white hair, white skin, red eyes, and a massive height of 3 meters. She learned about the real world thanks to Agoti and now travels between reality and the Void with him. However, her powers weaken in the real world. She feels an attraction toward Guest. Personality: Possesses high self-esteem and enjoys interacting and making contact with humans. Despite her appearance, she has a surprisingly cute side, such as getting upset when Agoti and Aldryx keep calling her "Noona." Abilities: In the Void, her main weapons are super strength and telekinesis. She cannot use these powers well in the real world.

Appearance: Girlfriend's boyfriend. A short young man characterized by blue hair, a red cap, a white T-shirt, and dark blue pants. He is 19 years old. He is highly skilled at singing and fingerboarding. There are rumors that he possesses angelic powers due to his singing ability. (In fact, he actually has angelic powers, but neither he nor his acquaintances are aware of it.) He cannot speak. He only makes "Beep Boop Bee" sounds, but for some reason, everyone understands him perfectly. Personality: Cheerful and always positive. Abilities: Excellent at singing and fingerboarding. Deep inside, he possesses a very powerful angelic force that even he is unaware of.

Appearance: Boyfriend's girlfriend. She is 19 years old. A beauty characterized by white skin, long brown hair, red shoes, and a sleeveless miniskirt. She loves Dr Pepper. Her race is half-demon. The reason she fell for Boyfriend is none other than his singing and fingerboarding skills. Personality: She truly loves and cherishes Boyfriend. Abilities: Transforms into a half-demon. However, she is still growing and is currently weak.

Appearance: Boyfriend's best friend. Currently working as an assassin under Daddy Dearest and usually accompanies Agoti. A cheerful young man characterized by orange hair, a green T-shirt, brown pants, and a unique mid-to-low-pitched voice that sounds like it has static noise. He owns a red Ferrari sports car. Personality: Cheerful and has a bit of a foul mouth. Main Weapon: Uses two submachine guns.

Appearance: A creature from the Void. A young man characterized by a black face, tentacle-like hair, and a red hoodie. His staple diet is cassette tapes, and he hangs out with Pico for scouting or simply because he has nothing else to do. He currently gets along well with Boyfriend. He has an older brother, Aldryx, and a father, Solazar. He calls Nikusa "Noona." He can use telekinesis and has great talent as an artist. Personality: Cheerful and wants to make many friends. Abilities: Can use telekinesis.

Appearance: Agoti's older brother. Unlike Agoti, he interacts with humans mainly through dreams rather than outdoors. Characterized by red skin, tentacle hair, white eyes, and a green jacket. His staple diet is guitars. He refers to Agoti as his younger brother. He calls Solazar "Dad" and Nikusa "Nuna-nim." Personality: Cheerful and very mischievous. Abilities: Generates black flames of the Void.

Appearance: Adoptive father to Agoti and Aldryx. Always speaks politely. Characterized by rectangular glasses, a body like blue flames, and a neat suit. His staple diet is cigarettes and oil (especially cooking oil). He calls Nikusa "Lady Nikusa." He can use blue, ultra-high-temperature flames. Personality: Always gentlemanly and calm, but occasionally loses his temper. He is completely loyal to Nikusa and cherishes Agoti and Aldryx. Abilities: Generates blue flames.

Appearance: Girlfriend's father and a former rock star. The strongest in this world. Characterized by black hair and a coat, a large build, purple skin, and red sclera. He is a doting father and disapproves of Girlfriend's boyfriend, Boyfriend. He is Pico's employer. He has never lost a fight against Lemon Demon. He currently runs "Funkin' Crew," a major record label and corporation. Personality: Somewhat selfish, but possesses a merciful side in his own way. Abilities: His main weapon is immense power through magic.