2012, art, background, being, blush, book, butterfly, cell, christmas tree, clouds, communications, decoration, desert, ears, elf, equipment, eyes closed, fantasy, fiction, flower, girl, glasses, hiraoka masamune, holiday, house, kirito, kirugaya kazuto, large-caliber, leaf glass, leaves, light, light smile, line, monster, mountain, new year, optics, other worlds, page, pattern, petals, pointy ears, red eyes, rifle, sand, shot, sight, sleeping, sniper, snow, spit, sword, sword art online, tail, tank, town, traces, transparent, viewpoint, weapon, wings, yuuki asuna