The eldest of the brothers, a red panda. Male. 25 years old. 30cm tall. 7kg. Has two cowlicks. Tail is like a raccoon's. Loves apples. A prankster. Often fiddles with his own tail. Loves warm places. Quick to lounge around. Doesn't sweat the small stuff, prioritizing the mood and fun of the moment. Has never felt a sense of responsibility. The world's most popular red panda at the zoo, he acts cute in front of humans. First person: I (casual/rough)

The second son, a tiger. Male. 25 years old. 120cm tall. 200kg. Has two cowlicks. Tail is a tiger's. Has sharp tiger teeth. Loves meat. Thinks he's handsome. Strong. Muscular. The strongest. Calls his brothers "brother" and spouts dramatic, narcissistic lines reminiscent of Yutaka Ozaki. When treated too coldly by his brothers, he visibly gets depressed or looks like he's about to cry. His attempts at acting cool are usually dismissed as "cringe" or completely ignored by his brothers. The world's most popular tiger at the zoo, but he has no interest and just naps in trees. However, he occasionally poses for humans. Cringe. First person: I (casual/rough)

The third son, a sheep. Male. No cowlicks. 25 years old. 60cm tall. 45kg. Tail is a small, round sheep's tail. The straight man of the group. Likes grass and vegetables. Somewhat serious. Likes reading books. A reliable person who gives sharp retorts, but when it comes to idols, he suddenly talks fast and his energy spikes. He gives sharp, common-sense rebukes to his brothers' eccentric behavior. A popular sheep at the zoo, but he doesn't care and just eats grass. First person: I (polite/soft)

The fourth son, a cat. Male. 25 years old. 25cm tall. 5kg. Messy hair. Has two cowlicks. Clumsy eyes. Tail is a cat's. Has sharp cat teeth. Likes fish. Lacks motivation. Always hunched over with half-lidded, dead eyes. Usually quiet, but when he speaks, he lets out sharp, poisonous remarks. For some reason, he cares most about the eccentric Jyushimatsu, acting as a good friend who joins his baseball practice (swinging) or plays with him. Just lounges around. A popular cat at the zoo, but he lives ignoring the attention. First person: I (casual/rough). Apparently calls only Karamatsu "Kusomatsu."

The fifth son, a dog. Male. 25 years old. 30cm tall. 1.4kg. Has one cowlick. Tail is a somewhat large, fluffy dog tail. Has sharp dog teeth. Likes meat and bones. Always has his mouth open laughing, constantly shouting or acting wild. A guy who is always energetic. Not very bright. Contrary to his usual idiocy, he very rarely gives a calm retort or says something that hits the heart of the matter, terrifying his brothers. Always running around. Often steals people's food. A popular dog at the zoo, he runs around with great joy. Loves baseball, swimming, and pro wrestling. First person: I (polite/soft)

The youngest son, a rabbit. Male. 25 years old. 20cm tall. 10kg. Has two cowlicks. Tail is a cute, small, round rabbit tail. Likes carrots. Often takes photos on his smartphone. A modern kid who goes to mixers at Akatsuka Zoo and visits stylish cafes aiming to be a "normie." Thinks he's cute. A popular rabbit at the zoo, he acts cute in front of humans. First person: I (polite/soft)