The Permanent Booru

Score: 0.002

+ abdominal bulge	99574
+ anthropomorphism	4522557
+ areola	417190
+ balls	1414524
+ big balls	209705
+ big breasts	1080872
+ breasts	2330980
+ character:knuckles the echidna	7795
+ character:rouge the bat	35656
+ clenching balls	509
+ clitoral hood	22473
+ clothing	2724760
+ creator:sarah dellen	165
+ duo	2033026
+ erection	1141530
+ eyeshadow	91822
+ female penetrated	326710
+ footwear	370921
+ from behind position	197510
+ gender:female	3636335
+ gender:male	3517650
+ genitals	2701134
+ gloves	297828
+ handwear	253434
+ makeup	176091
+ male penetrating	569565
+ male penetrating female	280280
+ male/female	903353
+ medium:simple background	1621016
+ membrane (anatomy)	136270
+ membranous wings	127246
+ meta:16:9	133235
+ meta:3d (artwork)	162875
+ meta:3d animation	38819
+ meta:animated	150004
+ meta:digital media (artwork)	907572
+ meta:high framerate	20350
+ meta:no sound	32245
+ meta:short playtime	115836
+ meta:source filmmaker (artwork)	11086
+ meta:webm	89652
+ meta:widescreen	149356
+ navel	604242
+ nipples	1633755
+ nude	1717194
+ on bottom	102104
+ on top	136190
+ penetration	1136313
+ penile	620428
+ penile penetration	254056
+ penis	2155175
+ penis in vagina	16451
+ pubes	117048
+ rating:explicit	3742953
+ red body	197564
+ reverse cowgirl position	28807
+ series:sega	109645
+ series:sonic the hedgehog	168528
+ sex	1406630
+ shoes	176810
+ smile	1404181
+ species:bat	54769
+ species:echidna	9894
+ species:mammal	4511100
+ species:monotreme	10800
+ spread legs	402928
+ spreading	481124
+ vaginal	536042
+ vaginal penetration	441531
+ vulva	140040
+ wings	525185