Important things that happened
- Height: 190.0cm
- Weight: 90.0kg
- Abilities: Comes from another world inside mirrors. Can reflect enemy attacks.
- Häagen-Dazs Green Tea with Nakajo Ayami
- Zi-O Blu-ray and DVD
- Cross-Z spinoff
- docomo Hikari with Ex-Aid
- LVSP Junction
- When Another Ryuga uses his dragon hand, it plays the Ryuki/Ryuga fireball sound effect. Incidentally, Another Ryuga is the mirror version of Ryuki/Ryuga. His dragon is in his right hand and sword in left, whereas it's flipped for normal Ryuki/Ryuga.
- Shinji's apartment is Room 401. On the Ryuki TV series, this is the room number of a science lab in Seimeiin University where Kanzaki Shirou and a crew of scientists conduct experiments on people transforming into Kamen Riders with Card Decks to enter Mirror World.
- Furthermore, the apartment is covered with newspapers to prevent monsters attack from Mirror World. On Ryuki ep 01, Shinji investigates the disappearance of Sakakibara Kouichi whose apartment is covered with newspapers for the same reason.
- Shinji's apartment was never seen on Ryuki, but it was mentioned that his landlord kicked him out for not paying rent on time, forcing Shinji to relocate and live at a tea shop called Tea Atori.
- In Mirror World, Sougo picks up a flyer which has a drawing of a brother and a little sister. On Ryuki, the drawing is a symbolic meaning to Kanzaki Shirou who cares for his little sister, Kanzaki Yui.
Kamen Rider Zi-O 21 Transcript