Nanomancer Reborn - I've Become A Snow Girl? - Chapter 1167: Familiar Aura

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

Waking up, Kim Hajin finds himself in a familiar world but an unfamiliar body.

Three years ago Conquest was released, redefining virtual reality and gaming.

Getting lost in a trip made Tang Siyu be mistaken for streetwalker, and she lost her wedding night. After returning home, she found the fiance cheat her with her sister. She cancelled the wedding in anger and declared missing.

Five years later, she came back with her gifted son. Unexpectedly, her baby took part in the piano competition in order to find his father. “My name is Tang Bao, my mother is Tang Siyu who is super beautiful! I am four and a half years old this year. If there is a man who looks like me may be my father. Please contact me! ” Behind the scenes, a woman was mad. A few days later, the mysterious man called himself the father of her child. Tang Siyu looks at this tall and handsome man who looks like her son. She is angry. So, he was the bastard five years ago?