|This article is about a/an character in Kamen Rider Decade.|
Toko Yoshiro (八代 淘子 Yashiro Tōko) resembling Ai Yashiro of the World of Kuuga, is a scientist and the creator of the G-Series of Kamen Riders. Compared to Ai, Toko is more high-strung and sees the G3-X Suit as humanity's only hope. Toko also has some feelings towards Shouichi as Ai had for Yuusuke, which was her motivation for building the G3-X suit. She monitors the condition of the operator and the G3 suit during combat from the G-Trailer mobile command base.
Behind the scenes
Hiroko Sato (佐藤 寛子 Satō Hiroko) returns to Decade to portray Toko Yashiro in the World of Agito arc.