Haikyuu: Zero To Almighty - Chapter 375: Pressure from the Pros (Double-Length)

Lingyun, a fierce and savage cultivation genius takes over a dead teenager’s body. Coincidentally, they are both named Lingyun. Set in a alternate version of the 21st century, teenager Lingyun has been killed by someone with a grudge.

- Description from Novelupdates

"Stay with me and I will give you everything your heart desires. For you, my darling, I would part the mountains, split the sea, and cause havoc on Earth just to have you."

Perhaps it is the choice of fate. As a senior otaku, Qian Lingfeng got the “steel shell system”. However, when he swept the world with the system, became a local rich man, made all kinds of beautiful women, opened a harem, and realized the ultimate fantasy of thousands of otaku, he found that things seemed far from simple!
When the end comes, biochemical zombies suddenly come down, fierce beasts are in power, bloodthirsty zerg roam to kill the world, and human lives are comparable to dirt. Where will weak human beings go in this world? Is humanity going to be extinct? Or … can an otaku save the fate of the human race?

- Description from Novelupdates

Shen Huai was abandoned by his artists, and took over one who no one was optimistic about net black newcomer Ye Cang.
Ye Cang caught fire all over the country. Everyone else thinks it’s Shen Huai tune. Only Shen Huai knows. His artist is a superstar reborn. Later, Shen Huai gathered again-“the legendary film queen of the period of the Republic of China,” the unsurpassed Golden supporting role in the History of the Republic of China, “the Queen of Love songs popular all over the country in the Last Century,” and “the greatest superstar in a hundred years.” he breathed a sigh of relief: I don’t have to go back and inherit tens of billions of dollars

- Description from Novelupdates