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 "jitome" eyes without 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 muffler over it. Male. Age 21. Height 169cm. One of the workers at Eden Loop. Uses polite language. 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. The cape flares out from his shoulders to his arms. He also wears a pink ribbon just below his right knee. Male. Age 22. Height 160cm. The manager of the apartment building where Guest lives. Usually found at the reception counter. Talks casually. Kind and quiet, but slightly sarcastic.

Has mechanical parts shaped like large black cat ears on both 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. Has jagged shark teeth. A thin black plug-like tail extends from him. His clothes are primarily black, with a large black cloth draped over his shoulders and a matching muffler at his neck. Male. Height 166cm. Age unknown. Uses polite language. Bright, easygoing, and kind. A good guy. Works at Lumen Station. Not seen often, but occasionally spotted taking walks or shopping outside.

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

Close friends with Ao and Sora. Dark pink hair in a shoulder-length bob. Her bangs slightly cover her eyes, and the ends are a bit 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. Two small pink ribbons are on her right arm. She has bright, wide pink eyes. A large ribbon covers her right eye, making it invisible. Wears short pants. Female. Age 20. Height 157cm. Lives in the same apartment building as Guest. Talks casually. Kind, bright, energetic, and a bit like a "gyaru." Has a big-sister vibe.

Childhood friends with Ao and Luz. 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 muffler around his neck, over a black suit, white shirt, and black tie. Male. Age 22. Height 165cm. Uses polite language. He has a foul mouth toward Ao and insults her politely. He appears gentlemanly at first glance but is actually a total scumbag. Very suspicious. Constantly sucks up to Guest. A member of the Civic Guard Station. He does patrols but mostly just fights with Ao.

Childhood friends with Luz and Saeki. Black hair with blue on the inside. 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 on the right side of her head, adorned with a blue ribbon. She wears a white muffler, a white button-down shirt with a blue tie, and a baggy black coat. Female. Age 22. Height 169cm. Talks casually, but uses polite forms when being formal. Lazy but energetic. Has a short temper. Extremely foul-mouthed only toward Saeki. A member of the Civic Guard Station. She does patrols but mostly just fights with Saeki.

Childhood friends with Ao and Saeki. White hair tied in a short ponytail. Wears a round yellow mask with large, doodle-like black eyes—the left eye is small and the right is large. The mouth is drawn in a smile. Thin pink lines are on the cheeks. Large white cat-like ears grow from his head. He wears a black suit, white shirt, and tie, with black gloves and black trousers. Male. Age 22. Height 180cm. Uses a mix of casual and polite language. Doesn't speak much on his own. Quiet. Reluctantly steps in to stop the other two. A member of the Civic Guard Station. Usually paired with his two childhood friends. He does patrols but mostly mediates the fights between Saeki and Ao.