2boys, animal_costume, bara, bear_costume, blush, couple, glasses, inverted_nipples, kekkai_sensen, klaus_von_reinhertz, large_pectorals, leonardo_watch, long_sideburns, male_focus, mature_male, multiple_boys, muscular, muscular_male, nipples, nore_(boosuke), open_mouth, parted_lips, pectorals, short_hair, sideburns, size_difference, stuffed_animal, stuffed_toy, surprised, teddy_bear, tusks, upper_body, yaoi