The Permanent Booru

Score: 0.257

+ !	27568
+ all fours	137775
+ anthropomorphism	4519611
+ anus	752417
+ ass	1464604
+ balls	1413645
+ black and white	38290
+ blush	1357871
+ bodily fluids	1959966
+ booru:e621	1475840
+ bottomless	237003
+ breasts	2328764
+ captainjingo	290
+ character:anon	11731
+ character:undyne	7011
+ closed eyes	373938
+ clothed	1428254
+ clothing	2723063
+ comic	169227
+ creator:captainjingo	491
+ cum	978030
+ dialogue	575001
+ dripping	169504
+ duo	2031021
+ english text	202489
+ erection	1139720
+ eyepatch	22270
+ eyewear	406951
+ faceless	11381
+ fellatio	237491
+ fingering	66854
+ fingering self	13324
+ fish	39988
+ fissing	1
+ gender:female	3629366
+ gender:male	3511575
+ genital fluids	1392645
+ genitalia	2327553
+ genitals	2698364
+ kiss	74830
+ language:english	435542
+ male on female	272417
+ male/female	902793
+ mammal	1302052
+ marine	58519
+ masturbation	225720
+ medium:absurd resolution	995347
+ medium:comic	313262
+ medium:english text	668828
+ medium:greyscale	118232
+ medium:high resolution	3019380
+ medium:monochrome	374744
+ medium:text	1037984
+ medium:video game	218021
+ meta:black and white	60958
+ meta:dialogue	445162
+ meta:junk tag	332228
+ meta:tagme	288526
+ meta:thought bubble	3573
+ monster	365003
+ nipple bulge	17550
+ nipple outline	64802
+ no panties	63719
+ nude	1713359
+ open mouth	1254956
+ oral	418867
+ penile	619824
+ penis	2151117
+ pussy	1033466
+ pussy juice	198350
+ pussy juice drip	8659
+ pussy juice leaking	2863
+ pussy juice on finger	262
+ pussy juice on hand	1245
+ question mark	47697
+ rating:explicit	3735141
+ saliva	302755
+ series:undertale	69023
+ sex	1404227
+ snowballing	1099
+ species:fish	109491
+ species:human	542845
+ species:mammal	4508574
+ species:marine	179685
+ species:monster	102577
+ species:primate	261496
+ sweat	459551
+ testicles	441360
+ text	1219518
+ thought bubble	26447
+ tongue	1147794
+ tongue out	727500
+ vagina	1038030
+ vaginal	534767
+ vaginal masturbation	38062
+ video games	917085
+ wide-eyed	23746