The actor previously appeared during the show’s Hibiki arc.
Yuichi Nakamura will return to Kamen Rider Zi-O during its Den-O arc, spanning episodes 39 and 40. The actor will reprise the role of Yuto Sakurai, who transformed into the green Kamen Rider Zeronos and was partnered with the Imagin known as Deneb, voiced by Hochu Otsuka.
Nakamura previously reprised his role as Kyosuke Kiriya during the show’s Kamen Rider Hibiki arc. The episode follows the arrival of the time travelling train the Den-Liner, following an emergency crash landing. The crew of the Den-Liner request Junichiro, Sougo’s uncle, repair the train. Aura also selects her next target to become Another Den-O. The person Aura has selected is jealous of their sister’s loved one.
Source: Kamen Rider Official