The Permanent Booru

Score: 0.23

+ alternate universe	4077
+ anal	579217
+ anal fingering	16277
+ anal penetration	453367
+ anus	752422
+ ass	1464609
+ blush	1357874
+ bodily fluids	1959975
+ booru:e621	1475840
+ breasts	2328769
+ captainjingo	290
+ character:undyne	7011
+ comic	169228
+ cowgirl position	66603
+ creator:captainjingo	491
+ deepthroat	32483
+ dialogue	575004
+ english text	202489
+ eyewear	406953
+ face	970129
+ faceless character	98749
+ faceless male	108144
+ facial expression	888257
+ fellatio	237492
+ female on top	50461
+ fingering	66856
+ fish	39988
+ gender:female	3629377
+ gender:male	3511586
+ genitalia	2327553
+ genitals	2698376
+ glasses	295605
+ group	575805
+ group sex	146838
+ language:english	435542
+ male on female	272417
+ male penetrating	569079
+ male/female	902798
+ mammal	1302053
+ marine	58519
+ medium:absurd resolution	995347
+ medium:comic	313262
+ medium:english text	668828
+ medium:high resolution	3019380
+ medium:speech bubble	203619
+ medium:text	1037984
+ medium:video game	218021
+ meta:dialogue	445162
+ meta:speech bubble	37051
+ monster	365003
+ on top	136096
+ open mouth	1254959
+ open smile	160881
+ oral	418869
+ penetration	1134959
+ penile	619827
+ pussy	1033466
+ rating:explicit	3735155
+ ride	1029
+ riding	15558
+ series:swapfell	52
+ series:underswap	269
+ series:undertale	69023
+ series:undertale fanfiction	201
+ sex	1404231
+ sharp teeth	164244
+ smile	1402012
+ species:fish	109491
+ species:human	542846
+ species:mammal	4508587
+ species:marine	179685
+ species:monster	102578
+ species:primate	261496
+ speech bubble	285481
+ straddling	84786
+ straight	292584
+ swapfell	30
+ tears	138253
+ teeth	815170
+ text	1219524
+ threesome	80901
+ underswap	143
+ vagina	1038030
+ vaginal	534769
+ vaginal penetration	441326
+ video games	917085