1girl ;) backlighting black_jacket black_shorts blue_hair blurry blurry_background blurry_foreground bokeh breasts cleavage cleavage_cutout clothing_cutout crop_top dark_blue_hair depth_of_field fingerless_gloves foreshortening gloves head_tilt highres holding holding_marker idol idolmaster idolmaster_million_live! idolmaster_million_live!_theater_days jacket looking_at_viewer marishiten_(mar1sh110) marker navel one_eye_closed ponytail red_eyes shorts sidelocks smile solo sweatdrop takayama_sayoko viewfinder writing