Tone Rion (兎眠りおん) is a Vocaloid 3 vocal.
Later during the Vocanama event, more of her official art, her demo and her website was revealed, along with her Twitter.
[3] On February 16, 2017, Tone Rion received a Vocaloid 4 update.
Rion performs on the Dear Stage (ディアステージ) located in future Akihabara set 100 years from the current time.
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