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