1girl,bangs,black_background,black_hair,blush,breasts,closed_mouth,collared_shirt,floating_hair,greyscale,hair_spread_out,hand_in_pocket,hand_on_hip,hands_in_pockets,hands_on_hips,jacket,long_hair,long_sleeves,looking_at_viewer,medium_breasts,monochrome,necktie,school_uniform,shirt,signature,simple_background,solo,upper_body,ayatsuji_tsukasa