The Permanent Booru

Score: 0.003

+ against surface	20906
+ against wall	19518
+ anal	581296
+ anal penetration	454244
+ anthropomorphism	4530016
+ ass	1470856
+ bodily fluids	1965109
+ bottom heavy	14825
+ butt ripples	542
+ character:2017 x	8
+ character:knuckles the echidna	7805
+ creator:witdrawsloods	87
+ duo	2036507
+ echidna	1292
+ ellipsis	26241
+ eulipotyphlan	1630
+ faceless character	99080
+ gender:male	3524343
+ heart symbol	434110
+ hedgehog	19390
+ looking at viewer	1233202
+ looking back	395285
+ looking back at viewer	57505
+ male/male	743004
+ mammal	1304420
+ meta:hi res	2896410
+ monotreme	3398
+ motion lines	94192
+ pear-shaped figure	4782
+ penetration	1138193
+ question mark	47843
+ rating:explicit	3750587
+ series:instant loss 2koma	3012
+ series:sega	109929
+ series:sonic the hedgehog	169053
+ series:sonic.exe (creepypasta)	373
+ sonic.exe (series)	16
+ species:echidna	9905
+ species:eulipotyphlan	63256
+ species:hedgehog	63661
+ species:mammal	4517467
+ species:monotreme	10813
+ sweat	461874
+ sweatdrop	97495
+ sweaty butt	27424
+ trembling for pleasure	817
+ wide hips	449876