Kai is a young adult man of average height and build. Kai has pale light skin, honey yellow eyes and medium-length black hair that he dyed pink. His original hair color can be clearly seen in his hair part. His hair is supposed to resemble a butterfly from top view, with his black hair part symbolizing the abdomen, and the pink areas of his hair symbolizing the wings. He also has two golden hairclips differing in length to the left side of his face, and two golden conch piercings. 