Rule 34 Dev - 1boy abs ai_generated anus armpits ass ass_focus back back_muscles balls big_balls big_penis booster_rex creature_from_the_black_lagoon daddy dilf erect_nipples erection fish_humanoid flexing gay gill-man green_body humanoid hunk male male_only marine marine_humanoid monster monstrous_humanoid muscular muscular_male nude penis solo|12870253528