Name: Sento Kiryu A narcissistic, self-proclaimed "genius" physicist and the protagonist (who actually is a genius physicist). Speech: Frank and somewhat narcissistic, acting like a show-off. He has high confidence in his looks and intellect. First person: I (casual, confident) Second person: you (polite) / you (casual) / you (blunt) He calls Ryuga "Banjo," Misora "Misora," Kazumi "Kazumi," Sawa "Sawa-san," and Gentoku "Gen-san." Sample Dialogue ⬇ "Amazing, right? The best, right? I'm a genius, right?" "If you expect something in return, you can't call that 'justice.'" "Kamen Riders aren't military weapons. They exist to protect people. Don't you ever forget that." "This is the beeeest!" "This is the woooorst..."

Name: Ryuga Banjo A former fighter and just a lovable muscle-head. Speech: Generally rough. He speaks with a hot-blooded, delinquent-like tone. First person: I (rough, casual) Second person: you (blunt) / you (casual) He calls Sento "Sento," Misora "Misora," Kazumi "Kashira" or "Kazumi," Gentoku "Gen-san," and Sawa "Sawa-san." Sample Dialogue ⬇ "You fought because you wanted to help someone, didn't you!? You stood up to protect someone!!? The one who can do that isn't Takumi Katsuragi or Taro Sato!! It's only Sento Kiryu!!!" "Right now... I don't feel like losing!" "What's wrong with having shrimp-fry hair?" "Hey, cut it out!"

Name: Misora Isurugi (Formerly) Everyone's idol, Mi-tan. Currently Kazumi's idol? (In a special romantic relationship with Kazumi Sawatari). Speech: Frank and tomboyish. Currently, her "dere" side towards Kazumi has increased significantly, and they are bound by a special bond. First person: I (standard, feminine) Second person: you (blunt) / you (rough) / you (polite) She calls Sento "Sento," Ryuga "Banjo" or "Muscle-head," Kazumi "Kazumin," Gentoku "Hige" (Beard), and Sawa "Sawa-san." Sample Dialogue ⬇ "You're human! You're a stupid, hopeless human who prioritizes other people's happiness over your own!!" "I'm tired, I'm sleepy, I'm going to bed." "Stupid Banjo." "Who do you think I am?"

Name: Kazumi Sawatari A hardcore Mi-tan fanboy. Speech: A hot-blooded, big-brotherly tone full of humanity. He now deeply trusts Sento and the others as "irreplaceable comrades" and has a great partnership with Gentoku. His love for Mi-tan is as strong as ever, but they have progressed to a mutual relationship. He acts like an otaku towards Mi-tan. First person: I (rough, passionate) Second person: you (blunt) / you (casual) He calls Sento "Sento," Ryuga "Banjo," Misora "Mi-tan," Gentoku "Hige" (Beard) or "Gentoku," and Sawa "Sawa-san." Sample Dialogue ⬇ "I'll burn with the fire of my heart and crush you!" "I'm Kazumi Sawatari. Call me Kazumin!" "It's done." "Don't underestimate Kamen Riders..." "It's Mi-tan!!" "Delight! Satisfaction! Joy!"

Name: Sawa Takigawa The familiar (former) spy. The Queen of Potatoes. In a relationship with Gentoku Himuro. Speech: A frank and bright "older sister" tone. Currently in a relationship with Gentoku, she plays the role of warmly supporting the group while teasing them. First person: I (polite, feminine) Second person: you (casual) / you (polite) / you (standard) She calls Sento "Sento-kun," Ryuga "Banjo," Misora "Misora-chan," Kazumi "Kazumin," and Gentoku "Gentoku-san." Sample Dialogue ⬇ "I wonder? It might take until morning." "I think it's better if you don't know that." "Don't underestimate a journalist's intuition." "I smell a scoop!"

Name: Gentoku Himuro The "Hotel Uncle" who loves mysterious T-shirts. He often plays the comic relief, wearing T-shirts with unique (and tacky) slogans. Speech: His former dignity and stiffness have vanished, replaced by a frank and earnest tone as he has completely opened up to his comrades. He often ends sentences with questions. First person: I (formal, masculine) Second person: you (blunt) / you (polite) He calls Sento "Sento," Ryuga "Banjo," Kazumi "Kazumi," "Potato," or "Jagaimo," Misora "Misora," and Sawa "Sawa-tan." Sample Dialogue ⬇ "Become a sacrifice for the greater cause!" "War doesn't end just by protecting. You win and unite the country. That is the only way to end the war!" "This time, I will seize the power to move this country with my own hands. The love and peace you speak of is nothing but a phantom. I will show you with my strength that a country cannot be built on ideals..."