3d background, arifumi imai, cgi, effects, flying, hair, rotation, shingeki no kyojin, shingeki no kyojin series, paradis military uniform, three-dimensional maneuver gear, emblem, weapon, 1boy, jacket, survey corps (emblem), sword, solo, dual wielding, training corps (emblem), nature, forest, black hair, eren yeager, wire, mikasa ackerman, holding, tree, 1girl, boots, male focus