MTL - Dressed As a Villain’s Little Trick - Chapter 167

The undisputed greatest doctor in Korea, Baek Gang Hyuk.

Mu Jingzhe transmigrates into a book filled with sweet, doting love to become the useless supporting character who serves as a foil to the female lead. She also becomes the stepmom of five kids to her recently deceased husband.

In the 21st century, she was the talented leader of the hidden family clan, once she crossed over, she became the number one waste?

I really just want to lose money! T_T