obaba tw, kei (blue archive), kei (student) (blue archive), blue archive, highres, 1girl, artist name, black hairband, black skirt, black thighhighs, blue necktie, double-parted bangs, english text, hair between eyes, hairband, half updo, halo, jacket, long hair, long hair between eyes, multicolored jacket, necktie, open mouth, pink halo, pleated skirt, railgun, rectangular halo, simple background, skirt, solo, thighhighs, two-tone jacket, white background, white hair, white jacket