1girl, ahoge, arisugawa_natsuha, bikini, blush, breasts, cleavage, detached_collar, drinking_straw, holding, holding_tray, idolmaster, idolmaster_shiny_colors, juice, long_hair, looking_at_viewer, maid, maid_bikini, maid_headdress, medium_breasts, megurumiru, navel, neck_ribbon, open_mouth, pool, ribbon, smile, soaking_feet, solo, spoon, swimsuit, tray, unconventional_maid, very_long_hair, wavy_hair