2boys, abs, age_difference, bara, beard, covered_eyes, dagon_(housamo), facial_hair, hinokumo_f, large_pectorals, male_focus, mature_male, monochrome, multiple_boys, muscular, muscular_male, onii-shota, pectorals, protagonist_1_(housamo), same-sex_bathing, shared_bathing, short_hair, sideburns, size_difference, sleeping, stubble, tokyo_afterschool_summoners, upper_body, yaoi