3d background, arifumi imai, cgi, effects, flying, hair, rotation, shingeki no kyojin, shingeki no kyojin series, 1boy, paradis military uniform, male focus, solo, weapon, emblem, jacket, three-dimensional maneuver gear, sword, brown hair, eren yeager, holding, belt, teeth, clenched teeth, black hair, anime coloring, tree, dual wielding