1girl, ahoge, alternate_costume, armpits, arms_up, ball, barefoot, beachball, bikini, blue_eyes, blue_hair, flat_chest, king's_raid, lilia_(king's_raid), long_hair, looking_at_viewer, navel, official_alternate_costume, open_mouth, shell, shell_bikini, solo, standing, standing_on_one_leg, starfish, swimsuit, tachi-e, tiptoes, transparent_background