1girl, arm_strap, asuna_(sao), bare_shoulders, breasts, brown_eyes, brown_hair, closed_mouth, ear_covers, elf, fairy_(sao), from_behind, long_hair, looking_at_viewer, lying, medium_breasts, medium_skirt, midriff, on_back, parted_bangs, pointy_ears, skirt, solo, stomach, sunlight, sword_art_online, titania_(sao), very_long_hair, white_skirt