fate (series), fate/grand order, caster, altera (fate), caster (fate/stay night), altera the santa, medea (lily), iseshi9167, 1girl, altera the san(ta) (cosplay), altera the santa (cosplay), bangs, bikini, blue eyes, blue hair, blue scrunchie, boots, bow, choker, eyebrows visible through hair, female, hair ornament, hair scrunchie, long hair, looking at viewer, mittens, navel, parted bangs, pixiv id 7029239, pointed ears, ponytail, red bikini, red choker, red footwear, scrunchie, sidelocks, sitting, smile, solo, swimsuit, tied hair, very long hair, wariza, cosplay