1girl, anisdrawn, bikini, black_bikini, blush, breasts, byleth_(female)_(fire_emblem), byleth_(female)_(summer)_(fire_emblem), byleth_(fire_emblem), capelet, dagger, day, enlightened_byleth_(female), fire_emblem, fire_emblem:_three_houses, fire_emblem_heroes, green_eyes, green_hair, knife, large_breasts, looking_at_viewer, medium_hair, navel, official_alternate_costume, outdoors, smile, solo, swimsuit, tassel, weapon