1boy, artist_name, black_eyes, black_hair, black_necktie, collared_shirt, evil_grin, evil_smile, gradient_background, grin, holding, holding_knife, holding_weapon, jacket, knife, male_focus, necktie, old, old_man, osomatsu-kun, plaid, plaid_jacket, portrait, red_pupils, sharp_teeth, shirt, short_hair, smile, solo, tamago_toji, teeth, tougou_(osomatsu-kun), weapon, wrinkled_skin