renjian shilian, robin (honkai: star rail), sunday (honkai: star rail), fanta, honkai: star rail, honkai (series), absurdres, chinese commentary, commentary request, highres, 1boy, 1girl, against railing, bird, blue eyes, blue hair, bottle, brother and sister, can, character name, drink can, earrings, floating hair, hair between eyes, hair intakes, halo, hand on railing, head wings, holding, holding bottle, holding can, hoop earrings, jewelry, looking at viewer, multicolored hair, nail polish, necklace, official alternate costume, orange eyes, orange hair, orange nails, orange skirt, outdoors, railing, robin (fanta) (honkai: star rail), shirt, siblings, skirt, soda bottle, soda can, streaked hair, sunday (fanta) (honkai: star rail), warm colors, white bird, white shirt, white wings, wings