A vertical anime-style mobile wallpaper featuring two characters sitting on a stone ledge in a bright, scenic outdoor setting. The character on the left has spiky black hair with green tips, large brown eyes, and wears a green outfit with matching boots. The character on the right has spiky white hair, bright blue eyes, and wears a white shirt with dark sleeves, dark shorts, and white-blue shoes. Behind them is a picturesque background with a castle featuring pointed towers, a vintage street lamp, lush green trees, and a bright blue sky with scattered clouds. The mood is peaceful and reflective, with vibrant colors and detailed shading. The composition emphasizes friendship and tranquility in a fantasy anime style