Rule 34 Dev - abs anal anal_penetration anal_sex armpits batman boner bruce_wayne dc dc_comics dialogue dick_grayson erect_penis erect_while_penetrated erection father_and_son gay gay_sex hard_on licking_abs male male_only masked men_kissing muscles muscular muscular_male nandarazzi nightwing pecs penis_in_ass pleasure_face veiny_penis|7250672568