Isekai'd as a side character

After a year possessed as an extra, I picked up the dying mastermind. But this man seems to have amnesia.
“What kind of relationship were we?”
And a strange misunderstanding!
○

She says she has three to four lines but then says she dies before the novel starts so I’m not sure if she meant lines about her or if she meant before the novel really picks up

I possessed a supporting character in a reverse harem novel. As a young concubine who gained the interest of the emperor. The concubines, the male lords, eventually killed her for treason.
Fortunately, I possessed her just as she was entering the Imperial Palace. Everyone in the Imperial Palace was wary of me, but didn't hate me yet. I don't need, nor do I want to be loved by the emperor.