MTL - Immortal Becomes a Stay-at-home Dad After Return - ~ 538, come call me.

Vincent Strider was a gun for hire who made a living by killing whoever it was his clients wanted dead. But during one mission, he died in a fierce gunfight. However, death was not the end for him. Vincent found himself reincarnated in another world, facing a floating interface that flickered before his eyes.[Synchronizing Host!][Military System initializing.]Vincent found out that in this system he received, he can summon soldiers, tanks, aircrafts, and even warships! This is going to be exhilarating.

“You want to steal my genes then leave?” He grabbed her and tried to force her to hand over the child that was born three years ago.

She never had a baby? Then conceive one!

The delusional CEO’s desperate love. Her inability to resist as she fell deeper.

OK, the baby is born. She handed it to him and left!

Yet, he had her hog-tied and thrown onto the bed. Furiously boiling with anger he roared, “Woman! Who said I only wanted one?”

- Description from Novelupdates

Corporate slave Alexander dies with only one regret—not finishing the fantasy novel in his hands. Fate has a twisted sense of humor when he awakens as Alexander Flamingo, the perverted villain destined to be expelled and killed in that very story!Armed with complete knowledge of the original plot and a mischievous “Harem King System,” Alexander plans to rewrite his fate. No longer the one-dimensional pervert of the novel, he'll use his future knowledge to manipulate heroes, seduce heroines, and rise from disposable villain to the true mastermind of this world.The system grants him power through every relationship he builds—but can this calculating reincarnator use his second chance to avoid his predetermined death and become the ultimate Harem King? One thing's certain: this story won't follow the original script.

A nuclear war ushered in the prosperity of human evolution! The higher the bloodline level, the stronger! The young Mo Tian, ​​awakened at the beginning of the S-class King Kong is not bad blood, incarnates the big muscle tyrant, killing all the way! If you are reasonable with me, be reasonable, and if you are not reasonable, you will be blown away!

The blood of King Kong is not bad for the first time to return to the ancestors…the second time to return to the ancestors…the Nth time to return to the ancestors, the blood of Pangu! (The killing is decisive, the extreme way pushes the flow horizontally, if you are not a virgin, do not enter if you are not happy)…

- Description from novelbuddy