rotarietto, flandre scarlet, izayoi sakuya, patchouli knowledge, remilia scarlet, embodiment of scarlet devil, touhou, silver hair, bad id, bad pixiv id, 4girls, blonde hair, blush, braid, crescent, female focus, hat, height difference, looking at viewer, mob cap, multiple girls, purple eyes, purple hair, red eyes, short hair, siblings, sidelocks, simple background, sisters, standing, text focus, twin braids, white background