2girls, alternate_costume, bare_shoulders, blue_background, collarbone, covered_navel, crab, cup, facial_mark, fae_(fire_emblem), fire_emblem, fire_emblem:_the_binding_blade, fire_emblem_heroes, forehead_mark, green_eyes, hat, heterochromia, holding, holding_cup, idunn_(fire_emblem), innertube, light_persona, long_hair, looking_at_viewer, multiple_girls, one-piece_swimsuit, open_mouth, parted_lips, pointy_ears, purple_eyes, purple_one-piece_swimsuit, ritence, see-through, simple_background, sitting, solo_focus, sun_hat, swimsuit