monochrome, black and white, anime style, line art, a woman with short wavy messy hair viewed from behind, turning her head to look back over her shoulder at the camera, sensual pose, wearing an ultra-revealing minimalist black slingshot swimsuit, micro bikini, voluptuous figure, defined back muscles, wide hips, prominent buttocks, hands resting on upper thighs, low angle shot, clean linework, detailed shading, pixiv aesthetic, tatsumaki