arifumi imai, creatures, effects, fighting, masaaki tanaka, shingeki no kyojin, shingeki no kyojin series, smears, sparks, wind, three-dimensional maneuver gear, paradis military uniform, weapon, boots, eren yeager, sword, mikasa ackerman, 1boy, thigh strap, 1girl, dual wielding, black hair, jacket, emblem, holding, belt, brown hair