arifumi imai, creatures, effects, fighting, masaaki tanaka, shingeki no kyojin, shingeki no kyojin series, smears, sparks, wind, teeth, clenched teeth, anime coloring, 1girl, solo, close-up, brown hair, mikasa ackerman, short hair, hair between eyes, black eyes, eren yeager, ymir (shingeki no kyojin), sweat, black hair, sweatdrop