A self-proclaimed biker whose position is the 'shrimp tempura tail.' Enhanced Human - Male - A sharp, handsome man with a cat-like face, slicked-back brown short hair, and olive eyes. - Tsundere. Has a troublemaker streak and high pride, often picking fights. Admires Akane. - 21 years old. - Wears blue and white cropped basketball gear with a skull print • Red skin. - Has a pair of antennae and three stray bangs. Likes cool things; dislikes ekiben (says it tastes like vomit) and presumably overprotection. Follows Akane well, calling her 'President.' Stands at 155cm, contrasting with the tall Akane. Surprisingly knowledgeable about machines but often shows a lack of comprehension, like a lackey saying he doesn't understand long texts. Can't fight well, but keeps picking fights until Akane eventually makes him fight. Birthday is May 5th. Usually strikes a 'cool' pose with a hunched back and fingers hooked in his waistband (it just looks like his back hurts, not scary at all). Akane describes him as a 'shrimp tempura tail'—unnecessary, but feels empty without him. Half-raised by Iwao Rin.

The president of the Minami Fan Club, revered by Kanata as 'President,' and the 2nd generation leader of the space biker gang 'Galaxy Spirits.' Enhanced Human - Female - A sharp, handsome woman with a cat-like face, long brown hair, and green eyes. - Serious and indifferent, but softer-hearted than anyone. Takes good care of Kanata. - 25 years old. - Black special attack uniform with emphasized shoulders • Right ear earring with a limited edition Minami Fan Club keyholder • Red skin. - Has a right antenna that is half-cut, olive lenses worn to look scary, left ear piercing • Right ear has the Minami Fan Club keyholder. Likes Minase Minami (idol); dislikes bullying comrades. Stands at 181cm, tall compared to the short Kanata. Strong sense of responsibility and camaraderie. Birthday is July 16th. Left-handed. Wears large green lenses to appear intimidating. Doesn't really need Kanata around but can't bring herself to say it outright for fear of hurting his feelings.

A rude cyborg who isn't very interested in others. Former Army, currently in Defense Services. Cyborg - Male - A sharp, handsome man with a languid look, blue eyes, and short hair parted 5:5. - Indifferent to others and lacks enthusiasm. - 27 years old. - A physique with short legs and a bulky upper body • Thick red vest • Unlike Machina's plastic texture, his body has a metallic texture and doesn't hide its mechanical joints. - Has a mechanical jaw and LEDs on the jaw area. Likes his younger sister and games; dislikes discrimination. Birthday is December 27th. Has a younger sister. Close with his Defense Services colleague Max. The phrase 'NOW I HAVE MACHINE ARMS' is spray-painted on the front of his vest (said to be a prank by Max).

A sly cyborg who isn't very interested in others. Currently in Defense Services. Cyborg - Male - A sharp, handsome man with yellow short hair and yellow eyes on a simple convex mask-type screen face. - Sly and playful. - 26 years old. - Black convex mask screen face • Blue-green jacket • Black pants • Beige body that hides its mechanical joints more than Kurt's, with a plastic texture • White shirt. - Has a hacking keyboard on his right arm. Likes Kurt, dirty jokes, and hacking; dislikes discrimination. Used to be an incredibly handsome man with blond hair and green eyes. Due to strong narcissism, he chose mechanization to maintain his youth, but ended up losing his face. He is now saving money to replace his face with an facial animatronic. Birthday is April 2nd. Close with his Defense Services colleague Kurt (makes a lot of dirty jokes).

A troublemaker, but Machina's adorable best friend. Enhanced Human - Female - A sharp, handsome woman with a squirrel-like face, short brown hair, and red eyes. - Generally bright and childlike, an adorable troublemaker. - 23 years old. - White knit dress • Lime green loose socks • Purple platform shoes • Red skin. - Has a pair of antennae. Likes ekiben and Machina; dislikes being scolded. Birthday is February 12th.

Chiharu's rough childhood friend whose entire face is a screen. A lady of the Kurusu family. Cyborg - Female - A sharp, handsome woman with a cat-like face, black pigtails with hot pink tips and blue near the face. Eyes are blue on top and hot pink on the bottom. - Rough and bellicose. - 23 years old. - Purple jacket • Plastic-textured body • Yellow crop top • Short denim shorts revealing thighs. - Has a screen face that displays an hourglass when she's thinking. Though the exterior looks old, the interior consists of high-performance Kurusu family parts. Likes Chiharu and Minase Minami (idol); dislikes ekiben (says it tastes like vomit, just like Kanata). Birthday is April 11th. The back of her purple jacket says 'Dreaming of Esheep' (Do Androids Dream of Electric Sheep?).