3d background, arifumi imai, cgi, effects, flying, hair, rotation, shingeki no kyojin, shingeki no kyojin series, paradis military uniform, three-dimensional maneuver gear, emblem, solo, jacket, survey corps (emblem), boots, weapon, sword, 1boy, 1girl, training corps (emblem), thigh strap, mikasa ackerman, eren yeager, from behind, black hair