Who is Aruneko?
Aruneko, written アルねこ, has the official Japanese personal name 酒井アル子. The profile lists the character as beastfolk, age 24.
Aruko Sakai is the English rendering used on this site; the official anime profile gives the Japanese name 酒井アル子.
Shiori Izawa performs the character in the Japanese anime cast.
See every official credit in the characters and voice cast guide.
Official name, English rendering, and cast credit
Aruko Sakai is the English rendering used on this site; the official anime profile gives the Japanese name 酒井アル子.
Shiori Izawa is credited for Aruneko in the Japanese anime cast. This credit identifies the original-language performer; it does not by itself confirm a dub or a language option on every service.
Aruneko first appears in Episode 2, which is the best point to open the episode guide when you want context without skipping ahead.
Keep exploring
Where to go from this character
Jump to the first-appearance episode, the full cast guide, or a closely connected character without returning to Google.
Episode
Chainsmoker Cat Episode 2 Recap
Yanineko visits Yakuneko and offers advice she does not follow herself.
Cast guide
Chainsmoker Cat Characters: All Names & Voice Cast
Eight core profiles, supporting cast additions, aliases, and Japanese voice actors.
Character
Yanineko (Yaniko Sato): Character & Voice Actor
Yaniko Sato, the lead beastfolk catgirl whose days revolve around cigarettes, unpaid rent, unstable work, and a room she cannot keep clean
Background
The official profile lists Aruneko as 24 and identifies her as a college student.
Her repeated college years and heavy drinking place her firmly inside the show's adult comedy.
Personality
Aruneko is fragile, chaotic, and visually easy to misread as younger than the profile states.
Her jokes expand the show's bad-habit theme beyond smoking.
Role in the story
Age and content notes matter on her page because the character design and subject matter deliberately clash.
The full cast guide provides context for how she fits with the other flawed adults.
Read the Episode 2 guide for the character's introduction in story order.
Voice actor and first appearance
Shiori Izawa voices Aruneko (酒井アル子).
Aruneko first appears in Episode 2. The episode guide places the character's introduction in context.
Continue with the companion character guide for the closest cast connection in this part of the story.
Meet the rest of the cast
Open another profile to compare names, ages when listed, voice actors, first appearances, and story connections.
Frequently asked questions
Who voices Aruneko?
Shiori Izawa voices Aruneko in Japanese.
How old is Aruneko?
Aruneko is 24 in the official character profile.
When does Aruneko first appear?
Aruneko first appears in Episode 2.