Create a 16:9 animation while preserving the uploaded image Loop

Create a 16:9 animation while preserving the uploaded image exactly in the center. The original artwork must remain at its original 1:1 scale without stretching, cropping, or zooming. Fill the extra horizontal space with solid black bars (pillarboxing), not generated scenery. The character and composition must stay perfectly centered. Animate only the original square artwork: subtle hair movement, one natural blink, a small glasses adjustment with a brief lens glint, soft breathing