1girl, animal, animal_ears, arknights, artistic_error, bare_legs, barefoot, blush, braid, brown_eyes, brown_hair, capelet, choker, coat, collarbone, ocean, open_mouth, otter, otter_ears, otter_girl, otter_tail, roberta_(arknights), roberta_(summer_flowers)_(arknights), seashell, shell, short_hair, smile, starfish, swimsuit, tail, togekk0, water, white_capelet