Seventeen Again: The Sweet Life with My Family - Chapter 599 - :

Knights of the Round Table, Dino Fighter, King of Fighters, Romance of the Three Kingdoms, Metal Slug, Street Fighter, Samurai Shodown, Journey to the West, countless arcade games, have made their debut in the form of special copies.And the adventurers who take risks in these games are destined to have every journey as a life-and-death contest, except…A white dagger and a white pistol are fused to a green pistol.A green pistol and a green pistol are fused to a blue revolver.A blue revolver and a blue BOSS exclusive equipment are fused to Terhune’s wife… Hey?!Looking at the upgraded new equipment in his hand, Qin Ming was a little dumbfounded.No! Director! This is different from what was agreed!

Luo Zheng is at the bottom of the Luo Clan hierarchy, despite his family being the founders of a power refining technique that could instantly defeat any opponent.

One night, enraged by unfair treatment from a family steward, Luo Zheng burns the family records. In doing so, the hidden magic in the book engulfs him and Luo Zheng becomes a new skilled fighter. Fleeing his home and despicable clan, Luo Zheng must learn to harness his powers to rescue his younger sister while his own cousins are on his pursuit.

- Description from Novelupdates

"An accident. She's pregnant. How unlucky. She got pregnant in one shot!

A back-to-basics(?) monster evolution novel.