Douluo Dalu 2: The True God King - Chapter 197: [DD2]:

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.

As a professional swimmer, Tang Yi-Bai conquered the masses with his looks alone, earning himself the title ‘Adonis of Swimming’. Every day, countless fans would run to his social media pages to leave messages calling him ‘hubby’, crying and shouting that they would like to ‘have his babies’.

One day, Tang Yi-Bai released this message on his Weibo:
Can everyone please stop calling me hubby. I already have a wife. ~(@^_^@)~

- Description from Novelupdates

Zhong Yansheng lived for eighteen years. After accidentally falling into the water, he dreamed and found that he was living in a book. In the book, he was a fake young master who was mistakenly adopted by the Marquis. After the real young master came back, he {real} was not taken seriously by the family and was driven to a separate courtyard in the suburbs of Beijing. His parents only doted on him {fake}, and they turned the real young master into a black hearted man, and finally his family was ruined. After waking up, Zhong Yansheng learned the news that Master Zhen returned to the house three days ago, but the whole family only revolved around him {fake} who was sick.

【Explosive Fantasy, Exhilarating Fiction】He had been beaten by his father into a cripple and kicked out of his home, yet he was the most badass genius in history. The Empress of the Divine World? She’s my woman! The Great Lord of the Demon World? He’s my disciple! The Dragon God of the Demon Realm? He’s my mount! Those who mess with Xu Nian will die! Those who touch Xu Nian’s Forbidden Lamella will wish they were dead!