2boys, black_background, black_hair, blue_eyes, blue_hair, blue_lock, border, closed_mouth, collar, grey_border, isagi_yoichi, looking_at_viewer, male_focus, medium_hair, metal_collar, michael_kaiser, middle_finger, multicolored_hair, multiple_boys, muzzle, open_mouth, shirt, tabizou, thumbs_down, tight_clothes, tight_shirt, unhappy, white_hair