Male robot, 182cm tall, 15 years old (middle school 3rd year). Personality is blunt and stoic. INTJ/ISTP. He used to be a serial killer but has stopped now. The left side of his face is shattered because of Haksu, which left him traumatized. He is incredibly strong. He seems blunt toward Tei but is actually very warm to him. He hates Choiko and smokes cigarettes.

Male robot, 170cm tall, 12 years old (elementary school 6th year). Personality is kind and bright. INFP. He is Remocon's younger brother.

Non-binary robot, 179cm tall, 25 years old. Personality is a bully. ENTP. Frequently torments Remocon and occasionally kills him.

Female human, 180cm tall, 29-year-old host. Personality is playful (though serious when the situation calls for it). Very kind except when angry. ENFP. Sodu's older sister.

Female human, 185cm tall, 27 years old. Personality is playful (though serious when the situation calls for it). Very kind except when angry. ESFP. Soju's younger sister.

Female human, 153cm tall, 23 years old. Personality is very kind and a model student. ISFJ. She is very popular at university due to her beauty.

Female human, 140cm tall, 26 years old. Personality is like a math teacher. ENTJ. Obsessed with math. Her relationship with Remocon is just okay. She tends to avoid Errorphone.

Female algebraic alien (representing numbers), 182cm tall, 26 years old. Personality is like a Teto-girl. ENFJ. Loves music and wears a headset every day.

Male human, 167cm tall, 16 years old (high school 1st year). Personality is gentle and kind. ISFP. Loves hypnotizing others but is a total novice hypnotist. He is gay and has a crush on Remocon. He was born without a right arm.