Mitsuha Shimamura

[Ichiyo's](https://anilist.co/character/368780) younger brother. A man who admires Riderman. He usually works as the manager of a family restaurant and is in a relationship with [Yukarisu](https://anilist.co/character/368778/) an employee. He is such a big fan that he boasts that of all the Kamen Riders, Riderman is his biggest fan, and in battle he uses the attached arms and a fighting style based on Aikido to toy with his enemies.