Transmigrate inside a Web Novel as a Side Character. - Chapter 328 - Breakthrough.

There was a man in the modern world that built his business empire from scratch. He was hailed as a genius by his peers and was respected worldwide due to his contributions to the world.If it is not only for that unfortunate accident that led to his death. He was a man who could potentially change the world with his mind that still stores a plethora of ideas.But—fate had others plan with him. He found himself in another world, what’s more, it’s primitive and technologically backwards compared to his last world. And what’s more, he turned into his younger self, and in this world, he was an orphaned boy.For him to survive, he must use everything that he had at his disposal, and that was all in his head.

Teresa is a timid human whose life has been a series of unfortunate events—until she meets Lucian Blackwood, a very rich and handsome man who awakens a deep, unexplainable connection within her. But Lucian, an alpha werewolf with a haunting past, is repelled by Teresa’s perceived weakness, blaming weakness for the tragedy that shaped his life. Unable to accept her as his mate, he rejects and humiliates her, leaving Teresa shattered.Just as she’s picking up the pieces, Adrian Daegon, an ancient vampire with his own dark allure, steps into her life, determined to win her heart. Now, Lucian is torn with regret, desperate to reclaim the woman he cast aside. But to do so, he must face a powerful vampire and confront his own fears—while somehow convincing Teresa to forgive his betrayal and reignite their lost bond. Can love and redemption overcome the scars of rejection, or has Lucian's cruel mistake cost him his mate forever?Torn between two powerful forces, Teresa must decide where her true destiny lies—in the fierce grip of the wolf who scorned her or the dark embrace of the vampire who vows to adore her.

Liu Fang, a manager, died suddenly at work due to being too diligent.
She thought that she would turn into a wisp of dust and dissipate after her death, but she never imagined that – the new century, the new underworld, even if she became a soul, she would still be a worker!

Liu Fang has become a newcomer to the underworld Quick transmigration Department. In order to wait for a good reincarnation, she strived to accumulate merit and traveled into one world after another to repair the way of heaven.

- Description from Novelupdates

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.