nidy, flandre scarlet, remilia scarlet, touhou, 2girls, back-to-back, bat wings, blonde hair, brown hair, colored eyelashes, eyelashes, female focus, full moon, grin, hat, laevatein, moon, multiple girls, nail polish, petals, polearm, ponytail, purple hair, red eyes, red moon, red nails, short hair, siblings, side ponytail, sisters, smile, spear, spear the gungnir, standing, weapon, wings, wrist cuffs