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