The Permanent Booru

Score: 0.002

+ ankles tied	2368
+ anthropomorphism	4530491
+ black body	437334
+ blush	1364843
+ bound	214714
+ character:knuckles the echidna	7807
+ character:shadow the hedgehog	11554
+ clothing	2729492
+ creator:angelofhapiness	412
+ duo	2036716
+ erection	1143453
+ feet	681309
+ fingers	619723
+ footwear	371598
+ gender:male	3524676
+ genitals	2706312
+ gloves	298463
+ hair	2365771
+ half-closed eyes	255505
+ hands tied	11959
+ handwear	253989
+ holding object	227842
+ humanoid genitalia	534596
+ humanoid penis	542493
+ legs tied	15110
+ lying	537355
+ male/male	743086
+ medium:simple background	1623961
+ meta:digital media (artwork)	910744
+ narrowed eyes	372534
+ on back	319345
+ open mouth	1259909
+ penile	621776
+ penis	2159572
+ penis milking	7946
+ penis milking machine	1545
+ rating:explicit	3750939
+ series:sega	109944
+ series:sonic the hedgehog	169067
+ smile	1406951
+ species:echidna	9907
+ species:eulipotyphlan	63265
+ species:hedgehog	63667
+ species:mammal	4517882
+ species:monotreme	10815
+ standing	553946
+ tail	1419307
+ teeth	818333
+ toes	484197