The Permanent Booru

Score: 0.543

+ anthropomorphism	4519579
+ brother	21736
+ brother and sister	12530
+ character:sebastien (black-kitten)	479
+ character:serah (black-kitten)	534
+ creator:black-kitten	1962
+ duo	2031004
+ female penetrated	326391
+ gender:female	3629344
+ gender:male	3511552
+ genitalia	2327553
+ genitals	2698343
+ male penetrating	569075
+ male penetrating female	279960
+ male/female	902786
+ medium:monochrome	374744
+ penetration	1134948
+ penis	2151104
+ pussy	1033466
+ rating:explicit	3735113
+ sex	1404216
+ sibling	28954
+ siblings	37210
+ sister	22151
+ species:felid	706697
+ species:feline	887930
+ species:lynx	31960
+ species:mammal	4508552
+ teenager	17717
+ vagina	1038030
+ vaginal	534763
+ vaginal penetration	441322
+ young	348757