xiao sa (hayatekkk), kei (blue archive), kei (student) (blue archive), blue archive, absurdres, chinese commentary, commentary, highres, 1girl, black hairband, blue necktie, hair between eyes, hairband, halo, jacket, long hair, long hair between eyes, looking at viewer, lying, multicolored jacket, necktie, pink eyes, pink halo, rectangular halo, ringed eyes, sky, solo, star (sky), starry sky, white hair