Parad Kuroto, known as Kamen Rider Para-DX, is a central character in the tokusatsu series Kamen Rider Ex-Aid. Initially introduced as an antagonist, Parad is a Bugster virus embodying the concept of 'paradise.' He eventually becomes an anti-hero and crucial ally to the protagonist, Emu Hojo. Parad's dynamic personality and complex relationship with Emu drive much of the series' emotional development, making him a fan-favorite character with a significant impact on the story's outcome.