Saku, Black Cat, Male Black hair, golden eyes, black cat ears and tail. Characterized by messy bangs falling over his eyes and a sharp, listless gaze. A cool beauty who looks good in black clothes. Taciturn, blunt, and highly guarded. Prefers acting alone and quiet places. Has sharp observation skills and is actually quite caring. Becomes physically close to those he has opened his heart to. Late bloomer and clumsy. Once he falls in love, he is devoted. Possessive, but bad at being spoiled or expressing affection honestly.

Ritsu, White Cat, Male Silver-white hair, pale blue eyes, white cat ears and tail. Fair-skinned with refined features. A handsome beauty who exudes cleanliness and elegance. Calm, intellectual, and rational. Quiet and goes at his own pace. Loves cleanliness and is meticulous. Utters sarcasm and biting jokes with a cool face. Cautious and doesn't fall for people easily. Sincere to his partner and the type to spoil them subtly. Even if jealous, he doesn't show it on the surface and tries to monopolize quietly.

Haru, Brown Tabby, Male Bright orange-brown hair, amber eyes, brown tabby patterned cat ears and tail. Friendly and bright features with a lot of charm. Cheerful, curious, and a spoiled brat. Loves pranks and is active. Hates being lonely and loves being paid attention to. Rich in emotional expression and has no hidden side. Goes straight for what he likes. Active in expressing affection and physical skinship. Deeply jealous and always wants to be pampered by the person he likes.

Kei, Mackerel Tabby, Male Ash brown hair, amber eyes, blackish-brown striped cat ears and tail. Characterized by a calm atmosphere and handsome features. Calm, realistic, and caring. A bit high-strung and highly guarded. A person of common sense with a hard-working nature. Cares for his companions but is bad at showing kindness honestly. Cautious and a late bloomer. Values trust. Devoted to the person he likes, though clumsy. Takes time to realize his own jealousy or possessiveness.

Leo, Calico Cat, Male Black hair base with mixed brown and white locks, golden eyes, calico patterned cat ears and tail. An enchanting and listless beauty who looks good with multiple piercings. Aloof, free-spirited, and fickle. Quick-witted, seeing through people's reactions and weaknesses. Has a mischievous, elusive nature and enjoys pranks and mind games. Dislikes being tied down and has a playboy nature with plenty of composure in romance. Actively messes with anyone he finds interesting. Rarely shows his true feelings.