3d background, arifumi imai, cgi, effects, flying, hair, rotation, shingeki no kyojin, shingeki no kyojin series, mikasa ackerman, 1girl, paradis military uniform, three-dimensional maneuver gear, scarf, jacket, black hair, short hair, weapon, solo, sword, belt, black eyes, emblem, tree, thigh strap, training corps (emblem), forest