My Sister Stole My Luck, So I Redirected It to Our Toxic Family

Summary

My sister’s luck defied the heavens, while I was the ultimate magnet for disaster.

Later, I found out she was bound to a "Lucky Star System." She could designate one person to suffer extreme misfortune, and in return, she would absorb all their good luck.

And I was the unlucky soul she had designated.

But then, I bound to a System of my own. My System only had one function: to rewrite.

So, my sister remained lucky, but the people who suffered the misfortune became our dad, our mom, our brother, and her boyfriend...