Saved a Heroine From the Brink of Death

You’re possessed by a novel you’re reading.
I made a lot of money using my knowledge of the source material.

Then one day, a heroine who was about to die appeared in front of me.
I saved her and decided to raise her.

Anyone in my way?
You can beat them up with money.
Those who can’t afford it, I’ll do whatever it takes to make her grow.