1girl, arknights, arm_up, bikini, blush, braid, breasts, brown_eyes, brown_hair, gohanduck, hand_on_own_head, medium_breasts, off_shoulder, parted_lips, roberta_(arknights), roberta_(summer_flowers)_(arknights), see-through, short_shorts, shorts, simple_background, solo, starfish, swimsuit, tail, tail_through_clothes, torn_clothes, torn_shorts, white_background, white_bikini, white_shorts