1girl, ;q, animal_ears, arknights, bikini, brown_eyes, brown_hair, coat, groin, looking_at_viewer, mabing, navel, official_alternate_costume, one_eye_closed, open_clothes, open_coat, roberta_(arknights), roberta_(summer_flowers)_(arknights), short_hair, solo, stomach, swimsuit, tongue, tongue_out, upper_body, white_background, white_bikini, white_coat