child (isoliya), serina (blue archive), serina (christmas) (blue archive), blue archive, game asset, highres, non-web source, official art, self-datamine, 1girl, backlighting, beret, blurry, blurry background, blush, bokeh, bow, brown bow, brown gloves, brown scarf, building, buttons, christmas, christmas lights, christmas tree, city lights, clenched hand, coat, cross, depth of field, dutch angle, feather hair, fur-trimmed coat, fur trim, gloves, hair between eyes, hair bun, halo, hand up, hat, lamppost, long sleeves, looking at viewer, medium hair, night, open mouth, outdoors, pink eyes, pink hair, plaid clothes, plaid scarf, pom pom (clothes), red coat, red hat, ring of light (blue archive), road, scarf, sidelocks, single hair bun, smile, snowing, solo, star (symbol), straight-on, street, upper body, wide sleeves, winter, yellow halo