Aphmaus Worlds Meets Gravity Falls (Garmau And Dipper X OC)

Hi!! So if you know who aphmau is then your in luck! & if you know what Gravity Falls is you are super lucky!!! Btw Luna is my OC if you were wondering what is the name of your OC? Anyways i got this random idea of makeing a story about aphmau and all of her worlds meet the world Garvity Falls so i cant tell you more or that would be a HUGE spoiler so if you read i will tell you more!!!