signallerc, kayoko (blue archive), kayoko (dress) (blue archive), blue archive, real life, absurdres, highres, 3girls, 6+boys, bare shoulders, black choker, black dress, black hair, black jacket, breasts, choker, cleavage, closed mouth, covered navel, demon girl, demon horns, dress, ear piercing, earrings, hair between eyes, hair down, halo, hand in pocket, horns, jacket, jewelry, multicolored hair, multiple boys, multiple girls, official alternate costume, official alternate hairstyle, piercing, two-tone hair, white hair, white halo