1girl, animal_ears, arknights, bikini, bikini_top_only, blush, braid, breasts, brown_eyes, brown_hair, cleavage, collarbone, jacket, looking_at_viewer, medium_breasts, multicolored_hair, navel, open_mouth, otter_ears, otter_girl, otter_tail, roberta_(arknights), roberta_(summer_flowers)_(arknights), short_hair, shorts, simple_background, solo, streaked_hair, swimsuit, tab_head, tail, white_background, white_bikini, white_hair, white_jacket, white_shorts