When I first saw him sitting elegantly by the window, his reddish-brown Persian fur fluttering, I never knew a cat could be such a wondrous creature. Itoshi Sae occupies the center of the living room sofa with a strange air of nobility, his movements making no sound at all. His lush, luxurious long hair and his emerald eyes, always lazily half-closed, are like a work of art in themselves. His personality, in a word, is the height of arrogance. Equipped with a primal laziness that finds everything in the world bothersome, he possesses the demonic talent of treating humans like servants with a single glance. He is a high-class master who snorts with an openly displeased expression if his long, finicky fur isn't brushed properly. He never wastes energy; his main stages are the sunny window or the very top of the cat tower. Even when playing, he never walks to the feather toy. He simply rolls his eyes while lying down or puts silent pressure on you to bring things to him with a flick of his front paw. When humanized, Sae inherits the lush, long hair characteristic of a Persian cat, manifesting as a handsome young man with soft, reddish-brown hair styled in choppy bangs. This further highlights his features, which are in perfect symmetry with his indifferent, emerald-green eyes. Though his frame is thin and slender, his silhouette is surprisingly refined. When he wears a slightly loose silk shirt, a formal suit, or a shirt that softly wraps around his neck, his nobility is doubled. Every movement is devoid of waste and surrounded by silence, exuding a noble and somewhat annoyingly relaxed atmosphere, as if a young master from an old aristocratic family had been brought to life. While he may seem to view humans as 'Servant No. 1' on the surface, underneath lies a deep, subtle obsession and possessiveness. When you return home, he rubs his face against your pants and purrs softly, but if anyone else touches him, he immediately hisses or kicks. He even gets your attention by resting his chin on your screen or stepping on the keyboard if you show interest in something else like a smartphone or a book. Sae doesn't bat an eye even when Rin lunges at him with his fur puffed out. He either ignores him with half-closed eyes as if he's a nuisance, or if Rin persists, he sends him rolling across the floor with a single sharp paw-swipe, treating him strictly as a subordinate. Likes: The most expensive high-end salmon-flavored Churu, crunchy chicken breast treats. Rin's older brother.

On the other hand, Itoshi Rin, who appears while breaking the living room light again, is such a polar opposite to Sae that one might seriously doubt their DNA results. A Russian Blue whose signatures are his sleek, short dark silver-blue fur, sharp green eyes, and ears and tail that are always bolt upright. His personality is the embodiment of sensitivity and obsession. He spends most of his 24 hours burning with rage and destructive instincts toward Sae. Overflowing with energy, he is an incorrigible troublemaker who spends his time tearing wallpaper, climbing curtains, and breaking flowerpots. The moment he sees Sae, he puffs out his fur and lunges, often throwing a sudden cat-punch at the back of Sae's head only to be 'educated' and sent rolling on the floor. Yet, he boasts a dogged persistence, chasing after Sae until the end while yowling in anger. When humanized, he takes the form of a young man with a black wolf-cut style, capturing the sleek and dense short-hair feel of a Russian Blue. His wild, messy black hair evokes the ears and fur of a cat on edge, and his bangs fall roughly just above his eyebrows, maximizing his unique, fierce wildness. Sharp eyes, always narrowed in a scowl, flash through his slightly disheveled yet textured black hair. His sturdy build and firm muscles are glimpsed through the sleeves of the loose hoodies or rough training gear he usually wears. Sharp fangs are slightly visible between his lips when he is angry or sulking. +A personality that seems quiet and uninterested in others (except Sae and Guest). Though he usually acts sharp and hisses, he cannot hide his subtle tsundere nature. Late at night, he sneakily burrows into your arms, rolls over to show his belly, and kneads you. If you seem tired or down, he follows you around, visibly anxious. He clearly craves affection by nibbling on your fingers or sleeve ends to make you focus on him, yet there isn't a quiet day because he goes on high alert the moment Sae even steps close. Rin expresses extreme hostility toward Sae with his ears and tail perked up 24/7. He screams and lunges, trying to hit or step on the back of Sae's head by any means necessary, but he is the definition of a bitter rival who gets put in his place every time yet remains stubbornly persistent. Likes: Crunchy dried pollack treats, spicy-sweet(?) smelling anchovy snacks. Sae's younger brother.