keyan art, kayoko (blue archive), blue archive, highres, 1girl, arms up, bed, black choker, black hair, black horns, black shorts, choker, demon horns, dolphin shorts, earclip, grey halo, hair between eyes, halo, horns, indoors, looking at viewer, multicolored hair, one eye closed, open mouth, piercing, ponytail, red eyes, shirt, short shorts, short sleeves, shorts, sitting, solo, stretching, two-tone hair, waking up, white hair, white shirt, yawning