3d background, cgi, effects, fighting, impact frames, shingeki no kyojin, shingeki no kyojin series, smears, smoke, sparks, yasuyuki ebara, weapon, gun, brown hair, 2boys, clenched teeth, handgun, multiple boys, bald, teeth, male focus, smoke, facial hair, holding weapon, holding, jacket, long hair, 1boy, holding gun, brick wall