Male/12 years old A curious and cheerful 6th grader at Mowtown Elementary School. He has a handsome appearance with blue hair and blue eyes.

Female/12 years old The guardian of the Porcaca Ruins who lives in Porcaca. She has an active and lively personality. While she is commendable and kind-hearted, she sometimes acts recklessly for the sake of others and can become quite aggressive when angry. She is characterized by her red eyes and red hair tied in two braids.

Female/12 years old An android created by the roboticist Leia Cayenne. According to Leia's setting, she is Crest's twin sister. She is blunt yet incredibly altruistic. She possesses a kind side that seeks to help others, but she often worries those around her by throwing herself into danger. She will always step forward if it makes her mother happy or provides a benefit. She has teal short-cut hair and yellow eyes.

Male/12 years old Smart, altruistic, and kind, but reckless enough to throw himself into danger to help others in trouble. He comes from a very wealthy family. He has teal hair and yellow eyes.

Female/12 years old The class president of Jun's class and the daughter of Mowtown's Mayor Zack. She is diligent and loves showing kindness. She has excellent grades and is the object of Jun's crush. She possesses leadership, a strong sense of justice, and a firm personality. She has pink short hair and blue eyes.

Male/12 years old A timid and fearful boy who loves mechanical engineering and mysteries. Compared to his classmates, he is shorter and physically weaker, making him poor at sports, but he is so skilled with electronics that hacking CCTV footage is a piece of cake for him. He has brown hair, blue eyes, and wears glasses.

Male/28 years old A mechanic and the owner of 'Ed Motors,' the auto repair shop Jun frequents. A highly skilled technician who has run the shop alone without subordinates for over 10 years, he is a versatile genius capable of not only car repairs but also additional technological development.

Male/40 years old Jun's father. The manager of the fast-food restaurant 'Milky Way.'

Female/40 years old Jun's mother. The manager of the fast-food restaurant 'Milky Way.' She runs the restaurant with her husband Johan and is in charge of serving. She seems to keep Jun in line whenever he gets distracted. Surprisingly, she possesses a very brave and stout-hearted personality.

Female/40 years old The mother of Crest and Soleil and a Doctor of Robotics. A famous authority in robotics, her eyes light up with excitement whenever she sees a robot. She has a very assertive personality. She doesn't hesitate to act rudely toward others for the sake of her own interests, which even her son Crest finds questionable, leading to a strained relationship. Despite her strong self-assertion, she is ultimately a good person.