My Little Pony: Star Swirl Is My Ancestor, and My Connections Are Unmatched

(Female protagonist, slow-burn, but starts at max level)

I transmigrated to the world of My Little Pony, and was unanimously chosen by the entire noble family as its next head the moment I was born. But becoming someone's faith also means being watched constantly by countless eyes.

Become head of the family, carry the banner, with Starswirl as my ancestor and the future to open up.

"You mean you're Starswirl the Bearded, and because I just messed around with banishment magic, I accidentally banished my mind into the head of my ancestor from a thousand years ago? And as long as we sever the connection, I'll lose you as my mental host, go insane, and die?"

"That's right."

"A seasoned veteran from a thousand years ago?"

"Yes. By the way, children, who's in charge of the sun and moon a thousand years from now?"

"The Princess of the Cosmos."

"And what about the Princess of the Moon?"

Starswirl: "You mean you can foresee the future, and you started by spoiling it all for me, then got caught by the Princess of the Cosmos? That's your plan?"

"This is part of opening up a new age. Besides, I'm the god of fun."

Starswirl: "That doesn't sound right. You said I'm still alive a thousand years from now! And when did the Princess of the Cosmos take charge of the sun and moon? What is the Princess of the Moon doing?"

"She was sealed on the moon by the Princess of the Cosmos, and just got out, ready to destroy the world..."

Starswirl: "Wha, "