You have passed away, cause is unknown. Things don't happen like you thought they would and you find yourself somewhere in equestria. The questions are as follows: Where do you end up? What do you end up as? Who finds you first? And who do you seek out first?

974050
Canterlot Caslte.

My OC Fire Heart

Guards

Twilight.

974050 Princess Celestia's bed chambers.

Either as myself, or as my OC, Carbon Copy.

Likely a maid. I doubt the princess herself would not be in Royal Court, or something.

Celestia. I would hope that she would have some form of knowledge about why I would be there. If not, she would probably have some sort of experience in dealing with non-ponies.