1girl, arms_behind_back, black_hair, blush, breasts, idolmaster, idolmaster_shiny_colors, large_breasts, long_hair, looking_at_viewer, loose_necktie, necktie, open_collar, outdoors, own_hands_together, plaid, plaid_skirt, pleated_skirt, school_uniform, shirase_sakuya, shirt, skirt, smile, solo, tanupon, very_long_hair, white_shirt, wristband