professor (ragnarok online), ragnarok online, 1boy, alternate color, animal, animal around neck, astrarunia, belt, black belt, black gloves, blue hair, blue shirt, book, brown horns, detached sleeves, english text, fox, gloves, holding, holding book, horns, looking afar, male focus, open mouth, profile, purple eyes, shirt, short hair, simple background, sleeveless, sleeveless shirt, smile, solo, upper body, white background, white sleeves