The Frail Sister-in-Law Goes on a Rampage and Helps Me Become the Boss

Reborn to avoid being stabbed eighteen times by the person beside him in bed and his big brother, then doused in gasoline and burned alive all over again.

He treads carefully, plans every step, and patiently lays his schemes. Just when he thinks he has finally persuaded his beautiful sister-in-law, he discovers that things aren't as simple as he imagined...