Rebirth of the Villainous Female Boss - Chapter 3 - : Little Brother Bird Stealthily Watches the Beauty

Lucius Lothra, a passionate gamer suddenly find not just himself but the whole world in a fantasy world where Knights and Mages exist.All Earthlings who once played a VR Game called System Online wake up in this world with their own Systems which they created when playing System Online. Lucius had just created an account when a world ending event occurred so he didn't play the game but he did manage to create his own system.The only problem that Lucius has is that he doesn't know if his system works or not and the only way to find out is... DEATH!!!

The world that nurtured the civilization which reached the pinnacle of magic was on the verge of destruction.
The last survivor transmigrated to the past, when the magic civilization started growing, as countless mages were still fumbling their ways through the thorny paths of magic knowledge.
He, who came from the end of the magic era, aim to reach the pinnacle of magic.

- Description from Novelupdates

In the highly anticipated release of the first-ever VRMMO, Yeager found himself mysteriously traveled back in time. He is poised to rise to the summit and achieve the impossible. Armed with years of gaming experience and a wealth of strategic knowledge from the future, Yeager believes he can bring about the miracle of immortality. But just as the game begins, fate takes an unexpected twist as Yeager finds himself transformed into a young woman. In a tale that challenges identity and defies the limits of virtual reality, join Yeager on a mesmerizing journey of self-discovery as he navigate a world of mysteries, battles, and alliances, all while grappling with his newfound femininity.