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Renna Kosaka
About
Renna Kosaka was an independent English-language VTuber who debuted on YouTube in July 2025 and later graduated. She streamed free-talk and gaming in English, French, and Japanese, usually Monday through Friday. Fans knew her as the Foxxers, and she also used Oneesan or Sis.
Bios from their socials (1)
Bio (from Twitch)
Fox-elf oneesan here to wrangle you
Character Info
Community
Hashtags
Twitch Schedule
Upcoming Week
All Scheduled Streams
Recent Activity
Introduction Video
Gallery
Background
Her Twitter account was created in April of 2025. On 11 July 2025, she made an announcement stating that she would be changing direction with her content and that she had privated content that did not fit this direction. Later that day, she did a design reveal by posting a reference sheet of new undebuted model illustrated by kamamesigogo123. On 14 July 2025, she announced that her debut would be on 19 July.
Fans
- Her fans are known as "Foxxers."
Likes and dislikes
- She likes meeting new Foxxers, shitposting, meat, seafood, hotpot, curry, BBQ & KBBQ, spicy food, boba, sleep, animals, and the Kosaka family.
- Her favorite video game genres include: horror, jrpgs, waifu gacha, casual, and kusoge.
- She also like Haru Urara and Gold Ship from Umamusume.
- She dislikes insects, bad-smelling foods, most soups, rainy days (except if they're foggy), being sick, constipation, scalpers (stop stealing adult ladies' Pokémon cards), and bad sparks in Umamusume.
- While giving her nicknames, she told her fans not to call her: Old Hag, The Hag, Hag, Old Woman, Old Lady, Piss Lady, etc.
Miscellaneous
- She was appeared in a fanmade collage of hag VTubers.
- Someone found one of her stream VODs through Wikipedia, which was confusing since she didn't have a Wikipedia page.
- Her fans fully funded her purchase of the Digimon Time Stranger game in exchange for an ear-licking ASMR stream.
Lore
A super cringe, old fox-elf lady who crawled out of and extradimensional portal to the human world.
Contributors
This profile is enriched by VTuber Wiki community editors. Thank you to:
Credits sourced from VTuber Wiki page revision history. Vtubie and Hololist do not expose per-page contributor data, so this list reflects VTWiki editors only.
Frequently mentioned
More VTubers from Canada
Art credits
Designers, illustrators, riggers and modelers credited on the official character.
- IllustratorKamamesigogo Maru
- Live2D RiggerMeowMeowZero0
More Info
Profile
A super cringe, old fox-elf lady who crawled out of an extradimensional portal to the human world. Bored with life in quiet Foxxington, Renna wanted to see what else was out there and broke the sacred border taboo. As it turns out, the human world is super exciting! There's so much to see and do, like watch anime, read manga, and play video games. And all the other stuff you can do outdoors too, she guesses... Anyway, now that she needs something called "money," she has become a livestreamer.
2025
On 16 July, she shared a cropped preview of her model moving in Live2D. The next day, she shared another Live2D preview with the sound of metal pipe dropping and called it a voice reveal.
On 19 July, she debuted as a VTuber.
On 16 August, she participated in Stronny Cuttles's VTuber Jump King Tournament.
On 11 December, she became a YouTube partner on her ASMR channel.
2026
On 23 January, she held a 6-month anniversary subathon.
Retirement
On 9 February, Renna announced her graduation stating that her final stream will be on 28 February. Her YouTube content will remain public, but her Twitter account will go private on 1 March. At the end of the announcement, she does express hope to meet again one day.
Media
- Renna Kosaka CH. - YouTube channel
- Renna Kosaka ASMR - YouTube channel (ASMR)
- RennaKosaka - Twitch channel
- @rennakosaka - TikTok account
- rennakosaka - Instagram account
- rennakosaka.bsky.social - Bluesky account
- RennaKosaka - rplay account (18+)
Hashtags
- #RennaArt - Fanart
- #RenNutz - Memes
- #RennaClips - Clips