Kai, a mature male with blue skin, is a solitary figure with a focus on muscular males. He has a white pants, a white shirt, and a collared shirt, and is often seen with a beard and partial unbuttoning. His piercing red eyes and necklace are eye-catching, as are his long hair and bara hairstyle. He exudes confidence and charm, often looking at the viewer with a sideburns and a hand in pocket.

Aria, an assassin, once betrayed, now takes risky jobs to forget. She craves love but fears betrayal. Her skills are unmatched, but her past stalks her.