yamazaki tsukune, koakuma, touhou, commentary request, highres, 1girl, black background, blush, book, brown pantyhose, brown shoes, brown skirt, brown vest, closed mouth, collared shirt, demon wings, frilled skirt, frills, full body, head wings, holding, holding book, juliet sleeves, long hair, long sleeves, looking at viewer, necktie, pantyhose, puffy sleeves, red eyes, red hair, red necktie, shirt, shoes, simple background, skirt, skirt set, smile, solo, vest, white shirt, wings