Rule 34 Dev - 1boy adult black_hair cum cum_in_ass erect_nipples erect_penis erection funny gay green_eyes happy jujutsu_kaisen kenkaru86 lad leg_up male male_focus male_only masturbation muscles muscular muscular_male old_man older_male penis pubic_hair sex_toy solo solo_focus toji_fushiguro tongue tongue_out yaoi|12028933232