: If you find an "uwu" image you love but it's too small, use a tool like Waifu2x to upscale it to your exact resolution without losing quality.

Finding high-quality wallpapers in the specific aspect ratio with an "uwu" aesthetic usually means looking for "aesthetic," "kawaii," or "pastel" themes that fit a 3:2 or similar high-resolution screen.

: Since 2048x1456 is close to a 3:2 aspect ratio (common on Surface laptops), searching for "Surface Laptop Wallpapers" will give you images that fit your screen perfectly without stretching.

: If you want high-quality digital art, Pixiv features many independent artists who create cute, "uwu-style" characters and backgrounds in very high resolutions.