1girl, bikini, blue_bikini, blue_hair, blue_sky, blunt_bangs, blush, breasts, brown_eyes, cleavage, closed_mouth, cloud, collarbone, day, fire_emblem, fire_emblem:_three_houses, fire_emblem_heroes, hat, large_breasts, lesu, looking_at_viewer, marianne_von_edmund, marianne_von_edmund_(summer), ocean, official_alternate_costume, outdoors, see-through, see-through_sleeves, short_hair_with_long_locks, sidelocks, sky, solo, straw_hat, sun_hat, swimsuit, twitter_username, water