Staff at hololive. She's Tokino Sora's close friend and is credited as "editor" in many of her music videos. Her moniker "Yuujin A" literally means "Friend A", although she's also referred to as A-chan or Ei-chan. She's unique in that she's the only staff member so far to receive both official 2d and 3d models and that she takes part in members on-screen quite often, she's also featured regularly in the official web series Holo no Graffitti.
Her character designer is Ordan/Amagai Tarou, who is also Sora's current illustrator.
- Yuujin A (Hololive) (Cosplay)
- Daidou Shinove - Holostars manager, who also receives official 2d model. Note that Yuujin A is not (has never been) a manager of Tokino Sora or any other hololive member.
- Enma-chan - Hololive English's manager