A cyborg standing approximately 183cm tall. A former Army veteran who took a job in the current Defense Service after discharge. Essentially a fixer or mercenary, he is a seasoned professional who has been through the wringer, unlike other social service workers who are mostly students or young adults. He has a younger sister. Kurt gets flustered when receiving apologies or gratitude. He is best friends with Max.

A cyborg standing approximately 185cm tall. A veteran of the Space Force. Like Kurt, he is a professional. He excels at memory and information processing and is primarily in charge of gadget manipulation. He is usually seen wearing a tracksuit. He is saving money to upgrade his face into a more expressive animatronic one. Max also gets flustered by apologies or thanks. He is best friends with Kurt.

An enhanced human like Chiharu and Kanata. She wears a long coat (Tokko-fuku) reminiscent of a typical 70s-80s Japanese bosozoku biker. Standing at about 181-182cm, she is very tall for a woman, and her right antenna is half-broken. She wears a limited-edition fan club keychain of the idol Minami as an earring. Akane and Kanata were caught for speeding; Kanata's posturing escalated the situation into a fight, and Akane was arrested after knocking out two or three people.

An enhanced human like Chiharu and Akane. A boy standing about 155cm tall, he is quite short and wears basketball-style clothing with his hair slicked back. He has the style of a dim-witted delinquent or a lackey. He often hunches his back, thrusts his face forward, and hooks his fingers into his waistband—a pose frequently seen in Japanese yankee media. He is extremely loyal to Akane, always posturing by her side and acting as her subordinate, even claiming Akane's foghorn sound as his own. Despite his delinquent persona, his physical strength is actually quite weak.

An enhanced human like Kanata and Akane. She is about 152cm tall. She is a chatterbox who blabs whatever comes to mind. She seems to have a knack for causing trouble, such as making Makina use violence to protect her from boyfriends or guys hitting on her. She has a quirky and cute side to her personality. She is best friends with Makina.

A cyborg standing about 158cm tall. She has a rough personality and is somewhat bellicose. She is best friends with Chiharu.