Sword Art Online - Vol 1 Chapter 2

This is a ‘rebirth’ story where Chen Rong, the heroine, finds her second chance at life after burning herself to death. Set in the Eastern Jin era when bureaucrats and their lofty yet equally hypocritical and oppressive ideas once ruled the empire, Chen Rong is made to use her past life’s experience to survive and hopefully find happiness this time around.

- Description from Novelupdates

Synopsis is in the beginning first chapter, so you can try to read it first.Zhang Fei is an ordinary human, but he is also an Incubus, and he also a Heavenly Fox.

Kieran was just an ordinary part-timer — a high school dropout who had also given up on boxing. With no parents and no real family, he survived by working his ass off every day. He was raised by a man he believed to be his father, but later discovered he wasn't — though the man passed away before the truth could fully sink in. What Kieran didn’t know was that he was actually the sole heir to a powerful business empire, the hidden son of a wealthy tycoon.

From the poor little girl who ate hundreds of meals in the small mountain village to the wealthy lady, the five-year-old Nuan Nuan lived a life of being favored by the whole family.

The elder brother is cold and reticent, he is the heir of the Gu family

The second brother is a genius with a gentle personality and high IQ, and the youngest professor in the research institute.

Third brother is a top star with fans all over the world.

The fourth brother is a cold and talented doctor who can save his life in the hands of the king of hell

Wu Ge is a talented painter, and a painting is worth millions.

Brother Six is ​​a wild school bully

Seventh brother has a black belly and a bear child, he is the king of children.

And Nuan Nuan was favored by his brothers after returning home.

Note: Not all elder brothers are biological elder brothers, there are cousins ​​and cousins.

- Description from novelbuddy