3d background, cgi, effects, lightning, nanatsu no maken ga shihai suru, remake, rotation, smoke, 1girl, weapon, sword, solo, holding weapon, holding sword, holding, from behind, ponytail, virtual youtuber, long hair, ahoge, coat, hood, elaina (majo no tabitabi), white hair, katana, hooded coat, grey hair, long sleeves, black coat, hood down