Rule 34 Dev - 1boy alternate_muscle_size ao_isami arms_behind_back bara belt highres large_pectorals looking_at_viewer mabataki male_focus monochrome muscular muscular_male nipples pants pectorals short_hair simple_background thick_eyebrows topless_male upper_body veins veiny_arms veiny_neck veiny_pectorals wet yuuki_bakuhatsu_bang_bravern|23123350341