...I took the position when I was eight. I didn't learn of it until later, and I've kept it secret since.

[ Likely enough with the story she's trying to sell, even if it is completely false. ]

I didn't have any siblings. My parents wanted a spare, of course, but after me they never managed to have another child. There would have been no other option, regardless, and I have every intention of completing the contract before it would matter.