2boys, antenna hair, astolfo (fate), blush, braid, crossdressing, fate/apocrypha, fate/grand order, fate (series), grey hair, koyashaka, long hair, long sleeves, looking at viewer, multicolored hair, multiple boys, open mouth, otoko no ko, pink hair, purple eyes, salute, short hair, sieg (fate), two-finger salute, v, white background