Kamen Rider Ryuki
仮面ライダー龍騎 (original)
Action-packed adventure series from Japan where superhero fighters known as Kamen Riders fight monsters in a mirrored portal world.
Starring
Watch "Kamen Rider Ryuki" from streaming services Tubi TV, Amazon released in 2002. It's a action & adventure and comedy show, and has a rating of 8 out of 10 from Imdb which is usually fine for this kind of show, and is currently available to watch for free.