Rule 34 Dev - 2016 anthro arno balls blue_eyes brothers brown_fur brown_hair brown_nose celio circumcised door duo erection feline fur hair half-erect hands_above_head humanoid_penis male male_only mammal masturbation navel nipples nude one_eye_closed open_mouth peeping penis peritian precum shower showering siamese sibling smile standing twins water wet white_fur|2353894944