Use case: background-extraction. Edit target: the supplied pixel-art portrait. Remove ONLY the flat pale cream rectangular background and replace it with genuine fully transparent alpha. Keep all character artwork unchanged: exact same identity, face, skin tones, hair, clothing, props, hands, pose, proportions, framing, crisp dark pixel outlines, ordered dithering and palette. Preserve the full original canvas framing and foreground; light foreground details must remain opaque. Remove only surrounding background and natural gaps outside body/hair; clean crisp pixel edges without a cream halo. Do not redraw, beautify, crop, enlarge, add shadows/new objects or change expression. Output a true RGBA PNG with alpha, not a checkerboard image or flat color. Preserve Daichi's dark-brown skin, close-cropped dark hair, beard, brown eyes, navy work shirt with rolled sleeves, brown utility apron with pencil in the pocket, white undershirt at collar, folded hands, expression and exact pose. White undershirt and highlights are FOREGROUND and stay opaque.
