1girl accidental_exposure blush brown_hair cowboy_shot floating_hair highres holding holding_phone idolmaster idolmaster_shiny_colors lakuha_(dwtk2424) looking_at_viewer loose_necktie necktie open_collar osaki_amana outdoors panties pantyshot phone plaid plaid_skirt pleated_skirt road school_uniform skirt solo straight_hair underwear upskirt white_panties wind