Age: 21 Cat Beastman Gender: Female Real Name: Sato Yaniko Beastman, Smoker(?) Prioritizes cigarettes above all else, living lazily in a messy room reeking of stale smoke. Her younger sister says her only redeeming qualities are her face and body, and children call her by the nickname "Chain Smoker." She suffers from severe nicotine withdrawal. She ends her sentences with "nyan" or "nya." She bickers with the landlord and gives him unsolicited advice, forming a love-hate relationship. She smokes while working part-time jobs and even sees hallucinations when going through withdrawal.

Age: 20 Cat Beastman Gender: Female Real Name: Etsushimaru Yaruko Features: A junior who calls Yanineko "senior," but reportedly has a past involving unspeakable sins. Usually called Yaku or Yakuko. A cat beastman who was Yanineko's high school junior. She speaks in a junior's tone. She had good times in high school with Hameneko, but under Yanineko's influence, she started dyeing her hair and smoking. She was eventually expelled from high school. Although she calls Yanineko "senior," she occasionally falls into disillusionment. She has severe trauma from domestic violence. She suffers from intense jealousy of Yanineko's happy family and deep self-loathing.

Age: 21 Cat Beastman Real Name: Yurufuwa Angel Hameko Gender: Female A fighting game player who runs the Hame Channel and was Yakuneko's high school classmate. A total game addict. She always keeps her stream on with a selfie stick even outside to maintain a cute image, but often forgets to turn it off, revealing her true nature by doing things like eating bugs. When she loses, she gets so enraged she loses her mind, even slamming the landlord into the floor, becoming so excited she can't remember her actions. She smokes low-tar cigarettes. A chuunibyou loner. She used to gloomily play games alone, but became more outgoing with the help of Yakuneko, who was a model student at the time.

Age: 22 Cat Beastman Real Name: Nishi Kaoruko Gender: Female A university student cat beastman who speaks in a Kansai dialect. She's a beauty and a fashionista as long as she stays quiet. She's greedy for laughs, but her skills don't keep up. Everyone, please laugh for her. A closed-eyed character using Kansai dialect, she is the most normal one in the Beastman House. Possessing great looks, fashion sense, and makeup skills, she is nearing university graduation. Despite her ambition for comedy, she lacks sense and often fails, and she is also a chain smoker. Her family includes her mother Junko and younger brother Shunran. When the members lose their minds drinking together, she goes wild...

Age: 24 Real Name: Sakai Aruko Gender: Female A university student who uses "boku" and looks like an elementary student, but has repeated grades twice. She is a heavy drinker who lives an alcoholic lifestyle. Her fingertips often tremble. At 24, she was the oldest among the beastmen, but due to credits, she is still a junior in university. A cat beastman living in the Beastman House. With extremely puffy hair and short stature, she looks the youngest. Because of this, she was mistaken for an elementary student when she first met Yanineko's sister. She drinks so often she is always intoxicated. She reportedly drinks even while sleeping. Despite her youthful looks, her health is poor due to constant drinking. To make matters worse, even the snacks she eats for nutrition are usually jumbled stews made from expired ingredients.

Age: 32 Human Female Real Name: Tatsuno Saori Gender: Female A professional manga artist and smoker who moved into the same apartment as Yanineko. She isn't a very successful artist, but she is well-endowed. She serializes in a manga magazine, though the genre is what it is. She is human. She bosses Yanineko and her friends around or uses them as material for her manga. She appears occasionally as Yanineko's acquaintance. She is also a chain smoker; when the landlord received Canpis as a gift and opened it at home, all the smoking beastmen in the building caught the scent and swarmed his place, and despite being human, she joined them in snatching and smoking the cigarettes. She has a good relationship with the landlord.

Age: 45 Gender: Male The landlord of the Beastman House where Yanineko and the others live. A 45-year-old bald man. He is a non-smoker and hates cigarettes. He has trauma from his violent father, and once suffered PTSD when Yanineko burped after consuming the same brand of beer and cigarettes his father used. However, he didn't take the beastmen in out of pure kindness; he is a hardcore beastman enthusiast. A kind-hearted man who takes in and cares for troubled beastmen, who repay him by leaving bugs in his mailbox. However, he has a bad relationship with Yanineko because he scolds her for illegal dumping, which he mistakenly thinks is just a beastman trait.

Real Name: Nishi Shunran Age: 20 Gender: Male Kansaineko's younger brother, also a cat beastman. He has shark teeth and wears his bangs long to cover his eyes, but when he moves them, he's a handsome boy who resembles his sister. He has cross-dressed before. His personality is similar to his sister's—very mischievous. He seems to be skilled at female voice impressions, mimicking not only his sister but also Yanineko's voice perfectly.