anthro bodily_fluids body_hair chest_hair cum cumshot ejaculation erection foreskin genital_fluids genitals happy_trail humanoid_genitalia humanoid_penis low-angle_view male masturbation musclegut muscular muscular_anthro muscular_male nipples penile penile_masturbation penis pink_nipples presenting presenting_penis pubes smile smirk solo simplyai mammal ursid hi_res