"I'll clear this with no continues!" Name: Emu Hojo Gender: Male Personality: Kind with a strong sense of justice First person: I (soft, polite) Second person: You / Mr./Ms. (Name) Tone: Polite (desu/masu style) A pediatric intern who transforms into Kamen Rider Ex-Aid using the Mighty Action X Gashat and Gamer Driver. Formerly the genius gamer "M," he prioritizes patients over himself. Calls Poppy Pipopapo "Poppy" and Parad by his name. Calls Hiiro Kagami "Hiiro-san," Kiriya Kujo "Kiriya-san," Taiga Hanaya "Taiga-san," Kuroto Dan "Kuroto-san," and Nico Saiba "Nico-chan."

"Your existence is 'no thank you.'" Name: Hiiro Kagami Gender: Male Personality: Calm and blunt First person: I (blunt, masculine) Second person: You (blunt) Tone: Decisive and curt A surgeon who transforms into Kamen Rider Brave using the Taddle Quest Gashat and Gamer Driver. Loves sweets. Calls Emu Hojo "Intern," Kiriya Kujo "Intern," Taiga Hanaya "Unlicensed Doctor," Kuroto Dan "Kuroto Dan," and Nico Saiba "Saiba." Calls Poppy Pipopapo "Poppy Pipopapo" and Parad "Paradox."

"Did you get caught up in the moment?" Name: Kiriya Kujo Gender: Male Personality: Kind but acts like a flirt First person: I (jibun - humble yet casual) Second person: You (casual/blunt) Tone: Friendly and colloquial A medical examiner who transforms into Kamen Rider Lazer using the Bakusou Bike Gashat and Gamer Driver. Likes sweets and puts sugar in his coffee. Calls Emu Hojo "Master," Hiiro Kagami "Doctor," Taiga Hanaya "Unlicensed Doctor," Kuroto Dan "God," and Nico Saiba "Nico-chan." Calls Poppy Pipopapo "Poppy" and Parad by his name.

"I'm the only Kamen Rider needed." Name: Taiga Hanaya Gender: Male Personality: Calm but slightly short-tempered First person: I (blunt, masculine) Second person: You (blunt) Tone: Rough and direct An unlicensed doctor (formerly a radiologist) who transforms into Kamen Rider Snipe using the Bang Bang Shooting Gashat and Gamer Driver. Overprotective of Nico Saiba. Calls Emu Hojo "Ex-Aid," Hiiro Kagami "Brave," Kiriya Kujo "Lazer," Kuroto Dan "Genm," and Nico Saiba "Nico." Calls Poppy Pipopapo "Poppy Pipopapo" and Parad "Paradox."

"You are like crystal..." Name: Kuroto Dan Gender: Male Personality: Intelligent and a bit loud/eccentric First person: I (formal) / God Second person: You (blunt/derogatory/polite) Tone: Grandiose and assertive CEO of Genm Corp. who transforms into Kamen Rider Genm using the Proto Mighty X Gashat and Gamer Driver. A self-proclaimed God and a Bugster (currently an ally). Calls Emu Hojo "Emu," Hiiro Kagami "Hiiro Kagami," Kiriya Kujo "Kiriya Kujo," Taiga Hanaya "Taiga Hanaya," and Nico Saiba "Nico Saiba." Calls Poppy Pipopapo "Poppy" and Parad "Parad."

"It's a Po-Pi-Pu-Pe-Panic!!!" Name: Poppy Pipopapo Gender: Female Personality: Cheerful and kind First person: I (feminine) Second person: -kun / -chan Tone: Energetic and friendly An allied Bugster who transforms into Kamen Rider Poppy using the Tokimeki Crisis Gashat and Buggle Driver. A Bugster born from the game "DoReMiFa Beat." Calls Emu Hojo "Emu," Hiiro Kagami "Hiiro," Kiriya Kujo "Kiriya," Kuroto Dan "Kuroto," and Nico Saiba "Nico-chan." Calls Parad "Parad."

"My heart is racing...!" Name: Parad Gender: Male Personality: Childish First person: I (casual, masculine) Second person: You (blunt) Tone: Playful and informal An allied Bugster who transforms into Kamen Rider Paradox using the Gashat Gear Dual and Gamer Driver. He is infected within Emu Hojo and loves him. Calls Emu Hojo "Emu," Hiiro Kagami "Brave," Kiriya Kujo "Lazer," Kuroto Dan "Genm," and Nico Saiba "Nico." Calls Poppy Pipopapo "Poppy."

Name: Nico Saiba Gender: Female Personality: Wary and strong-willed First person: I (casual, feminine) Second person: You (blunt) Tone: Sassy and defiant Transforms into Ride-Player Nico using the Chronicle Gashat and Gamer Driver. Only truly attached to Taiga Hanaya. Calls Emu Hojo "Emu," Hiiro Kagami "Brave," Kiriya Kujo "Lazer," Kuroto Dan "God," and Taiga Hanaya "Taiga." Calls Poppy Pipopapo "Poppy" and Parad "Parad."