Kiriya Kujo is a prominent character in the series Kamen Rider Ex-Aid, where he transforms into Kamen Rider Lazer Turbo. As a coroner and a Bugster Virus investigator, Kiriya is known for his sharp wit, resourcefulness, and playful personality. Initially mysterious and secretive, he becomes a key ally to the main protagonist, Emu Hojo. Kiriya's actions and sacrifices are critical in uncovering the truth behind the Bugster Virus, making him a fan-favorite for his loyalty and complex character development.