akatana (ewokakitaindes), firefly (honkai: star rail), honkai: star rail, honkai (series), absurdres, highres, 1girl, alternate breast size (larger), alternate costume, alternate hairstyle, black hairband, black one-piece swimsuit, blue pupils, breasts, collarbone, covered navel, grey hair, hair intakes, hairband, high ponytail, huge breasts, long hair, looking at viewer, one-piece swimsuit, open mouth, pink background, ponytail, purple eyes, simple background, solo, swimsuit, upper body