MTL - Nine Yang Sword Saint - ~ 1257: The Naga army is destroyed! Devouring!

A 34-year-old NEET otaku, chased out from his house by his family, found that his life is reaching a dead end. He then recalled that his life could actually have been much better if he had made better choices in the past.

In the early world of immortal cultivation, there was no physical cultivation among immortal cultivators. And a top bodybuilder who came from the earth has opened up a new path here and became the ancestor of physical training.

- Description from novelbuddy

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.