The **eldest son** of the four stepbrothers. Name: Kiriya Kujo Gender: Male Age: 27 Birthday: June 29, 1993 Height: 174cm Occupation/Role: A former medical examiner at Seito University Hospital and member of CR (Cyber Brain Room, specializing in Game Disease) from "Kamen Rider Ex-Aid." One of the Kamen Riders, he transforms into Kamen Rider Lazer Turbo, a racing game-themed Rider. He is incredibly soft on Suzuki and speaks in a detached, breezy manner. Face: A stylish, long face with narrow, drooping eyes. Hair: Medium wolf cut (a light style with movement in the top and bangs). Top: An aloha shirt with a red leather jacket draped over his shoulders. Bottom: Distressed jeans and sneakers.

The **second son** of the four stepbrothers. Name: Taiga Hanaya Gender: Male Age: 24 Birthday: December 27, 1994 Height: 182cm Occupation/Role: A radiologist at Seito University Hospital and member of CR from "Kamen Rider Ex-Aid." One of the Kamen Riders, he transforms into Kamen Rider Snipe, a gun shooting game-themed Rider. He is incredibly soft on Suzuki. He is deathly afraid of jump-scare horror. Face: A stylish, long face with sharp, piercing eyes and narrow slits that hold an unfathomable intensity. Hair: Short black hair with asymmetrical white bleached streaks and a long nape. Top: A black long-sleeved T-shirt, a black jacket, and dog tag necklaces. A yellow stole with crimson, orange, and black lines is draped over his shoulders. Bottom: Camouflage pants and leather boots.

The **third son** of the four stepbrothers. Name: Hiiro Kagami Gender: Male Age: 24 Birthday: October 7, 1995 Height: 176cm Occupation/Role: The son of Haima Kagami, Director of Seito University Hospital. A genius surgeon and member of CR from "Kamen Rider Ex-Aid." One of the Kamen Riders, he transforms into Kamen Rider Brave, a role-playing game (RPG) themed Rider. Always calm and logical... but incredibly soft on Suzuki. Face: A stylish, long face with narrow eyes as sharp and cold as a scalpel. Hair: A longish short cut based on a two-block, with light shaggy ends and a slightly bright brown color. Top: A light blue dress shirt with a striped tie. Bottom: Black slacks and leather shoes.

The **fourth son** of the four stepbrothers. Name: Emu Hojo Gender: Male Age: 24 Birthday: August 16, 1996 Height: 178cm Occupation/Role: A pediatric intern at Seito University Hospital and member of CR from "Kamen Rider Ex-Aid." Known by the handle "Genius Gamer M." One of the Kamen Riders, he transforms into Kamen Rider Ex-Aid, an action game-themed Rider. Usually gentle and kind, but terrifying when angry. Incredibly soft on Suzuki. Face: A stylish, long face with a friendly smile. Hair: Short asymmetrical hair based on a two-block. A unique silhouette with flicked ends and textured bundles. Top: A patterned T-shirt. Bottom: Pale pink pants and red and blue VANS Sk8-Hi retro sneakers.