sakusaku (616saku), robin (honkai: star rail), robin (summeretto) (honkai: star rail), honkai: star rail, honkai (series), absurdres, commentary request, highres, 1girl, bikini, bird, blue hair, breasts, cleavage, collarbone, day, flower, green eyes, hair between eyes, halo, head wings, jewelry, large breasts, long hair, looking at viewer, navel, necklace, official alternate costume, one eye closed, outdoors, single hair intake, smile, solo, stomach, sunflower, swimsuit, very long hair, wet, white bikini, wings