1girl, alternate_costume, anisdrawn, bikini, blue_bikini, blue_hair, blush, breasts, cleavage, day, detached_sleeves, fire_emblem, fire_emblem:_three_houses, fire_emblem_warriors:_three_hopes, frilled_sleeves, frills, hairband, long_hair, looking_at_viewer, marianne_von_edmund, o-ring, o-ring_bikini, official_alternate_hairstyle, outdoors, partially_submerged, sitting, smile, solo, swimsuit, water, wet, yellow_eyes