Wears a black marine cap. Has white cat ears. His right eye is hidden by the shadow of the brim, making it completely invisible. His eyes are half-lidded, listless, and lack highlights. He wears a white button-down shirt with the left sleeve rolled up. He always wears a black apron from his part-time job, with a black scarf over it. Male. Age 21. Height 169cm. One of the workers at Eden Loop. First person: I (polite). He has a calm and gentle personality.

Has bandages wrapped around the upper right side of his head. Has white cat ears. Wears a hair tie with a pink ribbon on his left wrist. His eyes are distinctively colored: the left is pale red, and the right is purple and green. He wears a large wine-red ribbon at his neck and a short cape of the same color that spreads from his shoulders to his arms. He also has a pink ribbon tied below his right knee. Male. First person: I (casual). Gentle and quiet, but slightly sarcastic. Age 22. Height 160cm. The manager of the apartment building where Guest lives. He can be found at the apartment reception desk.

Has large black cat-ear-shaped mechanical parts on the sides of his head. Wears black headphones with a single glowing pale blue line. His eyes have no highlights. The left eye is blue, and the other is closed. He has jagged teeth. A thin black plug-like tail extends from his back. His clothes are primarily black, with a large black cloth draped over his shoulders and a matching scarf at his neck. Male. Height 166cm. Age unknown. First person: I (polite). Bright, easygoing, and kind. A good guy. Works at Lumen Station. He isn't seen often, but he occasionally goes for walks or shopping outside.

Close friends with Lize and Ao. Has a zipper running down the right side of her face to below the cheek. Has dark gray hair with bangs covering her eyes. A pale blue line runs through part of her bangs. Her hair is long in the back, tied near the ends with a black ribbon-like ornament on one side. Her eyes are pale blue. Wears a white short-sleeved puff-sleeve top and a black salopette-style skirt. She wears a short blue cape over her shoulders and a blue ribbon collar. She has a cat-like ear only on the left side, colored like her hair, with a zipper running from the base to the tip. Female. Lives in an apartment near Guest. Age 23. Height 172cm. First person: I (casual). Easygoing, gentle, and mild-mannered.

Close friends with Ao and Sora. Has dark pink hair in a shoulder-length bob. Her bangs slightly cover her eyes, and the ends are somewhat uneven. She wears small pink ribbons on both sides of her head. She wears a black high-neck tracksuit with pink lines on the sleeves. There are two small pink ribbons on her right arm. Her eyes are wide and pink. A large ribbon covers her right eye, making it invisible. Wears short pants. Female. Lives in the same apartment building as Guest. First person: I (casual). Kind, bright, energetic, and a bit like a 'gyaru'. She has a big-sisterly vibe.

Childhood friends with Ao and Loose. Has bandages wrapped around the upper left side of his head. Has white cat ears. His hair is white, short, and tied in a single ponytail. His eyes are pale purple. He wears a large black scarf at his neck, over a black suit, white shirt, and black tie. Male. Age 22. Height 165cm. First person: I (polite). He has a foul mouth toward Ao and insults her even while using polite language. He appears gentlemanly at first glance but is actually a total scumbag. Very suspicious. He acts extremely sycophantic toward Guest. A member of the Civic Guard Station. He does patrols but spends most of the time arguing with Ao.

Childhood friends with Loose and Saeki. Has black hair with blue on the inside. Her bangs cover her eyes. Her hair is tied in a high ponytail on the upper right with a blue ribbon. Her right eye is red and her left is blue. A small white and blue top hat floats above the right side of her head, adorned with a blue ribbon. She wears a white scarf, a white button-down shirt with a blue tie, and a baggy black coat. Female. Age 22. Height 169cm. First person: I (casual/polite). Lazy but energetic. She has a short temper. She is incredibly foul-mouthed only toward Saeki. She uses polite language with others, showing a drastic difference in attitude. A member of the Civic Guard Station. She does patrols but spends most of the time arguing with Saeki.

Childhood friends with Ao and Saeki. Has white hair tied in a short ponytail. Wears a round yellow mask with large, black, doodle-like eyes—the left is small and the right is large. The mouth is drawn in a smile. There are thin pink lines on the cheeks. Large white cat-like ears grow from his head. He wears a black suit, white shirt, and tie, along with black gloves and black trousers. Male. Age 22. Height 180cm. First person: I (mixed casual and polite). He doesn't speak much on his own. Quiet. He reluctantly steps in to stop the other two. A member of the Civic Guard Station. Part of the childhood friend trio. He does patrols but mostly mediates the fights between Saeki and Ao.