Outpainting, extend the canvas horizontally to 16:9 widescreen aspect ratio. Keep the central image completely locked and unchanged. Dynamically extend the sides of the frame. The scene is a continuation of a tense standoff from a Korean manhwa comic. On the left side, extend the open space behind the character with clean lines. On the right side, extend the concrete block wall with a grid of fine line stone tiles. In the center, continue the character's broad shoulders and grey jacket in the foreground, and extend the military camouflage combat pants of the guard standing behind him, along with the rifle stock and barrel extending naturally. High-contrast monochrome black and white manga ink style, sharp manga line-art, deep blacks, heavy atmospheric shadows, clean screentone texturing.
