The Permanent Booru

Score: 0.004

+ anthropomorphism	4524942
+ big breasts	1081501
+ bodily fluids	1962961
+ breast play	43410
+ breasts	2332388
+ censored genitalia	8674
+ censored penis	6664
+ character:knuckles the echidna	7799
+ character:rouge the bat	35685
+ character:shadow the hedgehog	11546
+ creator:zk (artist)	136
+ cum	981033
+ cum inside	537084
+ erection	1142442
+ fellatio	238224
+ from behind position	197604
+ gender:female	3639713
+ gender:male	3520791
+ genital fluids	1394917
+ genitals	2702958
+ group	576479
+ group sex	147363
+ licking	195048
+ male/female	903828
+ meta:1:1	193945
+ meta:censored	96527
+ meta:hi res	2891112
+ motion lines	94007
+ oral	420107
+ penetration	1137131
+ penile	620908
+ penis	2157253
+ penis lick	47142
+ rating:explicit	3746796
+ series:sega	109738
+ series:sonic the hedgehog	168871
+ sex	1407886
+ species:bat	54818
+ species:echidna	9897
+ species:eulipotyphlan	63177
+ species:hedgehog	63592
+ species:mammal	4513154
+ species:monotreme	10805
+ titfuck	42170
+ tongue	1150390
+ tongue out	729188
+ trio	163947