1girl, 777nasu, arisugawa_natsuha, armpits, arms_up, bikini, blue_sky, braid, breasts, cleavage, closed_mouth, earrings, floral_print, grey_eyes, idolmaster, idolmaster_shiny_colors, jewelry, light_smile, long_hair, looking_at_viewer, medium_breasts, nail_polish, orange_hair, presenting_armpit, red_nails, sky, solo, sweat, swimsuit, twin_braids, upper_body, watch, white_bikini, wristwatch