touhou
flandre scarlet, remilia scarlet
rioshi
2girls, bat wings, blush, comic, fang, greyscale, hair ribbon, hat, hat ribbon, monochrome, multiple girls, no headwear, open mouth, pee, peeing, peeing self, ribbon, shirt, siblings, side ponytail, sisters, sitting, skirt, smile, sparkle, troll face, wings
commentary request, translated