Akira Nagata

Risa and Otani are always being laughed at as the comedy duo. Risa, a girl, is taller than the average girl, and Otani, a boy, is shorter than the average boy. However, Risa has feelings for Otani that shocks him.

A rogue Kamen Rider named Gaoh hijacks the DenLiner and steals Owner's Master Pass with the intent to travel back in time to Japan's Edo Period to retrieve the legendary God's Train while Ryotaro having lost all memory of Den-O.