FURVERT!

4:3 all_fours anthro anus anus_outline back_muscles backsack balls bed bedroom_eyes big_anus big_bulge big_butt body_hair briefs bulge butt butt_hair clothing detailed_bulge do_you_find_men_with_big_butts_attractive eyewear feet furniture gaping gaping_anus genitals glasses hi_res huge_anus huge_bulge leg_hair long_tail long_tongue looking_at_viewer male mammal markings murid murine muscular muscular_arms muscular_male narrowed_eyes neth_rusiki_azhti nethgoorat on_bed pawpads presenting presenting_hindquarters puffy_anus raised_tail rat rear_view rodent seductive smile solo tail tongue tongue_out underwear whiskers