I Reincarnated as an Extra in a Reverse Harem World - Chapter 82: Resolves.

The hidden dragon stirred from its sleep, the fierce tiger descended the mountain! Ye Wudao, following his master's orders, crossed into the mortal world, his medical skills so advanced they could reverse fate, his divine magic alone dominating the universe. Whoever dared touch my dragon scales, regardless of their power or status, was met with instant death!

There are 5 books on the 6 sworn brothers in a serial called streamer (流光系列). ‘They are rich, handsome and powerful. These book are on various types of love as well as on the bond and mateship between the brothers. Book on youngest 6th brother.

Chen Yu Bai (3rd brother) & An Xiao Yi – Chen Yu Bai is a sharp, domineering & cool man whereas An Xiao Yi is a foolish, childish & innocent girl. He is her boss & she is his secretary. He bullies her yet at the same time will not hestitate to protect & shelter her. Thus, she can always rely on him. Their relationship is a funny one on how opposite attracts.

Li Wei Ran (5th brother) & Qin Sang – Li Wei Ran and his cousin Qin Song fell in long with Sang Sang who is An Xiao Yi’s best friend. Sang Sang sees Li Wei Ran as a good man. He is polite, patient and passionate whereas she is independent, intelligent and interesting. They are a perfect pair but she is afraid to love so he has to work hard to convince her he is worthy of her love..

Short sequel on their children.

Xu Zifan climbed to the top circle from the slums, and eventually became a boss level figure, who knew that once he crossed, he became a male cannon fodder!

However, it doesn’t matter, he still wants to be the Big Boss, and whoever doesn’t have eyes will be turned into a slag in seconds!

An idol was destroyed by a reborn woman? Start a company to cherish you!

The real daughter of a rich family despises the childhood sweetheart? It doesn’t matter. I’ll have more fun with the fake daughter~

A slag father gave his property to the half-brother? Give at will… How does bankruptcy feel, President?

Should strive in every life to be the Big Boss!

- Description from Novelupdates

He was a wealthy and mysterious financial backer who had appeared before her when she needed money the most. After the courtship, she took the money and left.