arifumi imai, creatures, effects, fighting, masaaki tanaka, shingeki no kyojin, shingeki no kyojin series, smears, sparks, wind, multiple boys, paradis military uniform, emblem, eren yeager, survey corps (emblem), nude, backlighting, parody, giant, 4boys, black hair, open mouth, jacket, 3boys, male focus, three-dimensional maneuver gear