aotsuki eito, sumino takumi, the hundred line -last defense academy-, chinese commentary, commentary request, 2boys, ahoge, alternate costume, alternate hair length, alternate hairstyle, antlers, bespectacled, bilingual text, black hair, black jacket, black pants, blue eyes, chibi, chibi only, coat, collared shirt, eyelashes, eyes visible through hair, fur-trimmed jacket, fur trim, glasses, green ribbon, grey hair, grid background, gryzo, hair between eyes, hair ribbon, holding hands, horns, jacket, lapels, long hair, male focus, merry christmas, mixed-language text, multicolored hair, multiple boys, neck ribbon, notched lapels, open clothes, open coat, open jacket, open mouth, pants, red hair, red sweater, reindeer antlers, ribbed sweater, ribbon, round eyewear, semi-rimless eyewear, shirt, shoes, short hair, side ponytail, sparkle, streaked hair, sweater, tareme, two-tone hair, v-shaped eyebrows, white coat, white shirt, white shoes, white sweater, winter clothes