The Permanent Booru

Score: 0.235

+ 2016	68131
+ 5 fingers	334181
+ all fours	137780
+ anal	579258
+ anal penetration	453402
+ anal sex	203677
+ anon	1621
+ anthro penetrated	195628
+ anthropomorphism	4519914
+ anus	752472
+ areola	416781
+ areolae	420010
+ armpits	118881
+ ass	1464718
+ balls	1413749
+ black and white	38290
+ blush	1357954
+ bodily fluids	1960091
+ booru:e621	1475840
+ breasts	2328902
+ captainjingo	290
+ character:anon	11733
+ character:undyne	7011
+ closed eyes	373938
+ comic	169229
+ creator:captainjingo	491
+ dialogue	575060
+ doggystyle	80627
+ duo	2031153
+ ear fins	5735
+ english text	202492
+ erect nipples	89547
+ erection	1139782
+ eye patch	18580
+ eyepatch	22270
+ eyes closed	316714
+ eyewear	406985
+ faceless character	98754
+ faceless human	17282
+ faceless male	108148
+ female on human	39702
+ female penetrated	326419
+ fin	44588
+ fingers	617782
+ fish	39988
+ from behind	60176
+ from behind position	197410
+ gender:female	3629582
+ gender:male	3511821
+ genitalia	2327553
+ genitals	2698581
+ gills	9452
+ hair	2359672
+ hair tie	36592
+ hairstyle	2800
+ human on anthro	108193
+ human penetrating	63587
+ human penetrating anthro	36100
+ interspecies	411916
+ language:english	435542
+ length	13599
+ long	13704
+ long hair	433092
+ male on anthro	34170
+ male on female	272417
+ male penetrating	569112
+ male penetrating female	279984
+ male/female	902858
+ mammal	1302070
+ marine	58519
+ medium:absurd resolution	995347
+ medium:comic	313262
+ medium:english text	668828
+ medium:greyscale	118232
+ medium:high resolution	3019380
+ medium:monochrome	374745
+ medium:speech bubble	203619
+ medium:text	1037984
+ medium:video game	218021
+ meta:black and white	60960
+ meta:dialogue	445162
+ monochrome	71161
+ mouth	52592
+ nipples	1630982
+ nude	1713467
+ open mouth	1255024
+ penetration	1135029
+ penis	2151267
+ ponytail	95405
+ pussy	1033468
+ rating:explicit	3735400
+ series:undertale	69024
+ sex	1404307
+ sharp teeth	164259
+ species:fish	109502
+ species:human	542877
+ species:mammal	4508841
+ species:marine	179685
+ species:primate	261497
+ speech bubble	285517
+ tail	1410985
+ taken from behind	49183
+ tears	138261
+ teeth	815244
+ testicles	441360
+ text	1219649
+ tied hair	97603
+ undyne	1122
+ vagina	1038031
+ video games	917085
+ year:2016	143377