2boys, =_=, aqua_background, bara, between_pectorals, broken_horn, demon_boy, demon_horns, face_to_pecs, facial_hair, fiery_horns, from_above, from_side, greyscale_with_colored_background, head_between_pecs, horns, large_pectorals, leg_up, light_blush, long_sideburns, looking_away, male_focus, mugi_(pixiv_187163), multiple_boys, muscular, muscular_male, nipples, pectorals, protagonist_1_(housamo), scar, scar_on_neck, short_hair, shy, sideburns, size_difference, stomach, stubble, takemaru_(housamo), thick_eyebrows, tokyo_afterschool_summoners, tusks, yaoi