utakata (kochou no yume), flandre scarlet, remilia scarlet, touhou, framed, highres, 2girls, arm support, bat (animal), bat wings, blonde hair, blue hair, checkered floor, curtains, female focus, floor, full moon, hat, legs, looking at viewer, looking back, moon, multiple girls, panties, perspective, pointy ears, ponytail, red eyes, short hair, siblings, side ponytail, sisters, sitting, smile, standing, thighhighs, underwear, window, wings, wrist cuffs