"Create a 12-frame pixel art sprite sheet of Mikonawa the bird, flying toward the right as an enemy in a 2D platformer. Side view, small-to-medium size, true pixel art (16x16, 24x24, or 32x32), clean and simple, transparent background, no shadows or extra effects. The 12 frames should show smooth wing-flapping animation for fluid motion: Wings slightly down, body angled forward. Wings a bit higher. Wings mid-flap upward. Wings slightly above mid-point. Wings fully up, feathers spread. Wings starting to come down. Wings halfway down. Wings slightly below mid-point. Wings fully down. Wings slightly up from fully down. Wings halfway up. Wings returning to slightly down position (frame 1) to loop smoothly., in Pixel Art style"