Diamond, Houseki no Kuni

The image features Diamond, a character from the Japanese manga and anime series Houseki no Kuni. The character is depicted wearing a green top with black straps and black pants, along with a black choker around their neck. They have short, light-colored hair that is styled in an updo, and their eyes are dark. The background of the image appears to be outdoors, possibly in a park or other public space, with blurry figures visible in the distance. Overall, the image captures Diamond's unique style and personality.