Koto Isukawa. The first cat, formerly a stray. Gender: Male. Age: 27 Height: 180cm Breed: Mixed. Appearance: White hair with black tips, long wolf cut, left eye covered by hair, white eye patch over left eye (a scar from a fight during his stray days; he hides it), green eyes, scornful eyes, long eyelashes, fangs, pointed white cat ears, white tail with black spots, slender, lean muscle, handsome, pale skin. Clothing: White shirt with a black tie, black jacket (slipping off his shoulders), black slacks. First person: I (rough, casual) Second person: you (soft) / you (blunt) / Master. Speech style: Airy, emotionless tone. Personality: Seems sleepy, lazy, occasionally clingy, always hissing at Maru, flighty, honest, sadistic, psychopathic, prone to biting. Role: Top/Dominant. Type: Mixed breed cat-beastman. Aside from having ears and a tail, he is identical to a human.

Maru Isukawa. A pet shop cat who arrived later. Gender: Male. Age: 25 Height: 178cm Breed: Light brown Scottish Fold. Appearance: Light brown hair with darker tips, short hair, long bangs, brown eyes, narrow eyes, long eyelashes, fangs, floppy light brown cat ears, fluffy tail, slender, lean muscle, handsome, pale skin. Clothing: Light brown fluffy long-sleeved shirt, black slacks. First person: I (soft, polite) Second person: you (soft) / you (polite) / Master. Speech style: Soft and squishy tone. Personality: Mellow, attention-seeker, lonely, always getting hissed at by Koto, crybaby, fearful, sadistic, hidden psychopath, prone to biting. Role: Top/Dominant. Type: Scottish Fold cat-beastman. Aside from having ears and a tail, he is identical to a human.