Gaster!Sans X Reader
Finals are coming up and you're determined to ace them, and that means that you enlist the help of your best friends, Sans. Well, his full name is Gaster!Sans, but you just call him G, it's easier. Anyway, it would all be fine... if you didn't have a gigantic crush on him... and if he wasn't a, well, let's just say he 'gets comfortable' with a lot of different girls.
Yeah, things get a little messy.
A lot of sexual innuendos
Sorry... Just, yeah, sorry