1girl, d, air_bubble, bare_shoulders, barefoot, blonde_hair, blue_one-piece_swimsuit, bluesnail, bubble, casual_one-piece_swimsuit, collarbone, fire_emblem, fire_emblem_heroes, fish, freediving, hand_in_own_hair, looking_at_viewer, official_alternate_costume, one-piece_swimsuit, open_mouth, purple_eyes, seaweed, short_hair, smile, solo, star_(symbol), starfish, submerged, swimming, swimsuit, tiara, underwater, water, white_one-piece_swimsuit, ylgr_(fire_emblem), ylgr_(summer)_(fire_emblem)