Sinful Love

Sinful Love

7.8K Reads 276 Votes 14 Part Story
_UnderFell_Sans_ By _UnderFell_Sans_ Updated a day ago

We all know the little swap sans we love, at day he is the sweet little blueberry, but at night he has a dirty little secret..

Ponykitten Ponykitten Oct 08, 2016
oml this is so dirty but I like it in some weird way :P nice job XD
Sadies-Stories Sadies-Stories Sep 11, 2016
Me want more cherryberry smut. You gave me a cliffhanger. I'm upset.
BaiBai99 BaiBai99 Jan 03
Oh guys, brb 
                              *comes back last chapter*
                              Hey guys I'm ba- OH LAWD
AliHeppler AliHeppler Oct 17, 2016
Like to think it's funny that underfell Sans was the one who wrote this I wonder how blueberry will react to this
DeStuffs DeStuffs Dec 02, 2016
This is actually really good, and great intro!!! 🙃🙃🙃
Kiarafanfics Kiarafanfics Dec 28, 2016
BYE EVERYONE IM GOING BACK TO CHILDHOOD!! *1 sec later* HI EVERYONE IM BACK AND NOW... AAAAAAAAAAAAAAAAH SIN!