1girl, arknights, bare_shoulders, barefoot, bikini, braid, breasts, brown_eyes, brown_hair, choker, cleavage, closed_mouth, collarbone, holding, jacket, kneeling, large_breasts, long_sleeves, looking_at_viewer, makeup_brush, navel, o-ring, o-ring_choker, ocean, off_shoulder, official_alternate_costume, open_clothes, open_jacket, pomegranate_nana, roberta_(arknights), roberta_(summer_flowers)_(arknights), rock, short_hair, short_shorts, shorts, side_braid, smile, solo, starfish, swimsuit, water, white_bikini, white_choker, white_jacket, white_shorts