Rule 34 Dev - 2boys abs ahe_gao anal animal_ears arknights bara barefoot bicep_strap black_hair broca_(arknights) bulge excercise floating gay gym haruki_(haruki096) holding_legs hypergryph legs_apart legs_spread legs_up muscle nude pecs size_difference solo_focus stomach_bulge studio_montagne working_out workout yaoi yellow_eyes|12769409584