Love in time

Y/n wants more in life than just a part time job and staying at home all day. Her life is what you call boring. She stumbles across a rock that makes her go back in time. How does she come back? Will she stumble across a thing he's very very new at? Called LOVE. But here's the catch. She's in a love triangle with the two we'll known princes in 1569. Why do they take interest in her when there is a hundred young lady's THEIR age in the kingdom. Wait.. y/n is 15. And the princes are both 22 going on 23. So, what do you think will happen? 21+++++++++