2boys, abs, bara, black_hair, blonde_hair, completely_nude, couple, erection, facial_mark, feet_out_of_frame, hug, kiss, large_pectorals, large_penis, male_focus, multiple_boys, multiple_penises, muscular, muscular_male, navel, nipples, nude, pectorals, penis, penises_touching, short_hair, sideburns, testicles, thick_thighs, thighs, veins, veiny_penis, yaoi