Aak and Warfarin from Arknights HD Wallpaper

An anime-style illustration features two characters against a plain white background. On the left is a character with grey, spiky hair, yellow eyes, and cat-like ears, wearing a dark blue and brown outfit. To the right is a character with long, light-colored hair and red eyes, wearing a black outfit with a white headband. A small green object floats in the air between the characters.