The Villain’s Older Sister Suffers Again Today

An unlucky past life.
When I opened my eyes after dying,
I became not a gold spoon, but a diamond spoon!
Finally, the flower road in my life has bloomed!
However…
I’m adopted?
Furthermore, this is the world inside of a novel.
I’m destined to be murdered by my psychopath younger brother?
Okay! I’ll leave my brother to the female lead and run away!
The day the female lead makes her appearance,
My brother the villain says he’ll kill her?!