Supreme Alchemist - Chapter 4 - : The Primordial Yang Embryo

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.

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

Ye Cheng transmigrated to Douluo Dalu where martial spirits reign supreme. Unfortunately, the martial spirit he awakened was a useless martial spirit, without even soul power. He could only be an ordinary person for the rest of his life.One day, his family was wiped out by their enemies. Ye Cheng was forced to run away while his clan gets slaughtered. He then lived for 20 years, unable to achieved anything with his useless martial spirit.Fortunately, at this time, he had awakened his cheat; He only needed to make up a persona for himself, and he could turn the power of the persona into his own. He made up a persona with twin martial spirits. When everyone believed that he had twin martial spirits, he had twin martial spirits. He made up a persona that would become a god in the future. If everyone believed that he was a god, then he would become a god!

The world of an NPC born inside an online game was destroyed. Reborn in the real world, he gains a second chance. However, the monsters followed and destroyed he died again. Julian believed everything was over, only to have regressed to the day the game launched. Julian returned to Avalon not as an NPC, but a Player.Avalon's Fall was a VR Online Game created by the goddess.A game to help humans fight back against the six devils. She granted the Players a chance to evolve and enhance themselves in the real world. Because of his fragmented memories, Julian discarded his past. He then focuses on survival and happiness instead of saving the world. There were only two months before the first devil started his attack on the world.Thanks to the perk of his SSS-Rank Class Shadow Mancer and saving his ex-girlfriend, a powerful Sword Master, Julian changes the future. He took a different path, allowing him to surpass anything he ever imagined.Given the power to summon an army of undead in the form of shadow warriors. He overcomes the demons of his past. Supported by his party, they struggle to survive in the collapsing world, desperate to survive.The Devils eventually discovered his true potential and focused their gaze upon Julian. A title given to one existence, he who would rule over all darkness. The Heir of Shadows. The 13th Divine.Erebus.