(Y/n)(M/n)(L/n)

Due to his/her/their mom's death at the age of eight, (Y/n) feels pretty confident that he/she/they can take care of him/herself, and doesn't want to be dependent on others. But, what will happen when our protagonist meets his/her cousins for the first time, and is sent away with them for an eventful summer that will give them one heck of an experience...
As known, Gravity Falls and it's story plot belongs rightfully to Alex Hirsch, but the story and some of its characters that weren't in the show belong to me, so please do not copy!
(Edit: all photos or media used in this story belong to their rightful owners)