Rule 34 Dev - 2boys arousal aroused batman batman_(bruce_wayne) batman_(series) beefy big_pecs big_penis bruce_wayne costume daddy dc dc_comics dick_grayson erect_penis erection father's_day fraternity french_kiss gay kissing licking_body male male_only manly nandarazzi nightwing superhero_costume uncensored veiny veiny_penis verbal yaoi|9044142864