Rule 34 Dev - 4:3 anal anal_masturbation anal_sex anthro anthro_penetrated balls bed black_body bodily_fluids dimetrodon frill_(anatomy) furniture genital_fluids genitals hi_res male male_only male_penetrated masturbation pelycosaur penetration penile penile_masturbation penis pillow precum snoopjay2 solo sphenacodontid synapsid teeth|5702407168