Stone Age Husband Raising Journal - Chapter 72.1: Fishing Net

When he returned to the World of Martial Arts, the game was filled with blood and battles! Chen Kaixin had chased after the footsteps of the one emperor, two empresses, three princes, seven dukes, and thirteen aces for three years, but during the eve of the Sword Among Us tournament in Mount Hua, he was ambushed by evil bastards, and was killed so much that his level dropped to that of a newbie. He completely lost the chance to join the ranks of the powerful players in the game! In great disappointment, Kaixin quit the game and got drunk so that he could forget his sadness, but during that stormy night, Chen Kaixin found that he had actually dreamed for a total of three years, because when he woke up again, he woke up to three years ago, when he was still a student.

- Description from Novelupdates

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

The Main Character, Watari Karito, is a veteran player of a Military Shooting VRMMORPG.

A man dies and for some mysterious reason is given three wishes.The man, a pervert and even degenerate (just a little), asked to be sent to a world full of sex and lust, just for pure fun, unfortunately he was not very specific and ended up going to a world much bigger than he could imagine.His other wish was the System he read in one of the many stories he read, the System of [The Gamer], which due to various reasons, perhaps due to laziness of the person who created it, the System is not 100% identical.But this didn't affect our protagonist much, who had the opportunity to create his own appearance and decided for nothing less than a hot Futanari with a big dick!