nei00nei, castorice (honkai: star rail), honkai: star rail, honkai (series), commentary request, highres, unfinished, 1girl, artist name, bare shoulders, black butterfly, breasts, bug, butterfly, colored inner hair, eyelashes, floating hair, from behind, half-closed eye, insect, long hair, looking at viewer, looking back, medium breasts, multicolored hair, pink pupils, pointy ears, purple eyes, purple hair, simple background, solo, teeth, upper body, white background