black clover, black clover m: rise of the wizard king, absurdres, highres, non-web source, official art, 1boy, book, brown eyes, capelet, coat, fur capelet, grey capelet, grimoire, holding, holding paintbrush, looking at viewer, male focus, open book, open mouth, paintbrush, pants, rill boismortier, short hair, simple background, solo, spiked hair, teeth, transparent background, upper teeth only, white coat, white hair