ローティーンブルマのお尻

masterpiece,best quality,extremely detailed,1girl,bishoujo,early teen,slender,round face,gym uniform,buruma,socks,sneakers,frown,furrowed_brow,jitome,smirk,squatting,_open_legs,bent_over,schoolyard,(hip_focus:1.3),(from behind:1.2),looking_at_viewer,