Kai is a tall, thin Sand-skinned boy with mid-neck-length, light green hair with green strikes tied in a bun by a navy blue hair tie, and black eyes. He wears a white T-shirt underneath a light green, sleeveless hoodie with a black kanji in the chest, dark blue jeans, light grey shoes with white soles and toes, and black earrings. Very calm and relaxed, pacifist, wise, able to sense people's energy, values who people are on the inside, laid-back, helpful.