Toshiki Seto was born on October 7, 1995 in Chiba, Japan. He is an actor, known for Kamen Rider Ex-Aid: True Ending (2017), Kamen Rider Heisei Generations Final: Build & Ex-Aid with Legend Riders (2017) and Kamen Rider Heisei Generations: Dr. Pac-Man vs. Ex-Aid & Ghost with Legend Rider (2016).