Yui Kanzaki/13 Riders

In an alternate retelling of the series, Yui Kanzaki (神崎 優衣) is Ren Akiyama's accomplice who is aware of the existence of the Mirror World and the Rider Fight.

History
To be added.

Portrayal
Yui Kanzaki is portrayed by Ayano Sugiyama (杉山 彩乃).