Because she debuted before Hololive was officially formed, she is considered a member of the "0th generation" alongside Roboco, Sakura Miko, Hoshimachi Suisei, and AZKi.

[3] In 2017, the concept of a virtual Youtuber was still largely untested, with the only examples of precedent being Kizuna AI who started posting pre-recorded videos in late 2016.

Virtual live streaming had been showcased by Cover Corporation in a March 2017 tech demo, but was still under development and had not yet been implemented on a large scale.

[4] On 7 September 2017, Tokino Sora held her first livestream, and thus began her activities as a virtual idol.

[5] In July 2024, Sora sang the opening theme song to the anime adaptation of My Wife Has No Emotion, titled "Okaerinasai" (おかえりなさい, Welcome Back).