koakuma, touhou, absurdres, commentary request, highres, 1girl, bat wings, black vest, black wings, blush, book, collared shirt, cropped arm, cropped torso, diamond-shaped pupils, diamond (shape), eyelashes, hand up, head wings, holding, holding book, iino 4n, juliet sleeves, long hair, long sleeves, necktie, open mouth, pointy ears, puffy sleeves, red eyes, red hair, red necktie, shirt, simple background, sleeve cuffs, smile, solo, symbol-shaped pupils, teeth, vest, white background, white shirt, wings