euu (euuki), kei (blue archive), kei (student) (blue archive), blue archive, highres, 1girl, barefoot, black bow, black hairband, black skirt, blue necktie, bow, chibi, chibi only, closed eyes, double-parted bangs, hair between eyes, hair bow, hairband, half updo, halo, liquid cooling, long hair, long hair between eyes, loosely tucked bangs, necktie, open mouth, pink halo, pleated skirt, rectangular halo, school uniform, shirt, short sleeves, simple background, skirt, solo, sweat, white hair, white shirt