acomu414, yuuka (blue archive), blue archive, animated, animated gif, lowres, 1girl, anger vein, black gloves, black halo, black jacket, blue halo, blue necktie, collared shirt, constricted pupils, gloves, halo, jacket, long hair, mechanical halo, multicolored halo, necktie, open mouth, purple eyes, purple hair, shirt, simple background, solo, transparent background, two-tone halo, two side up, white jacket, white shirt