Rule 34 Dev - 2boys cloaca closed_eyes facial_hair greyscale hair_over_one_eye handlebar_mustache highres kaiben-san_tarou long_hair lying male_focus merman monochrome monster_boy multiple_boys mustache navel old old_man on_side original puffy_chest rock sharp_teeth sitting smile teeth topless_male water webbed_hands wrinkled_skin|22637166903