Overlord, Love Me Tender - Chapter 628 - How could this man be so silly

This is a story about the protagonist getting the system, going crazy in the biochemical apocalypse, producing aircraft and tanks, destroying zombies, saving good people and killing bad people.

- Description from novelbuddy

Henry is a university graduate who happens to be working as a hotel receptionist, though with big dreams of being more than that. All these change for good one day when he finds a way of cracking a very sophisticated technological system, which ultimately empowers him to formulate and develop leading-edge inventions from his bedroom.With a determined mind not only to conquer the market but also to move out of his gray life, Henry starts into his journey of fame by introducing a number of radical technologies that capture the interest of the whole world and hold it.

Han Seo-jin is a top ranker of Pick Me Up with an account name of Loki.Due to a bug he encountered while clearing one of the top floors inside the game, he was summoned inside the game as a hero… a Level 1… 1-Star Hero…Loki, the once called, master of masters, is now a [Level 1] [1-Star Hero] that must follow the orders of his master.However…

A soul is reborn in Ancient Greece as the twin brother of Herakles(Hercules).This is an age of myths, monsters and gods.After a betrayal that sets Iphicles on a path of vengeance, his name will become synonymous with divine defiance. Gods, Demons, Monsters...he cares not. All will fall at the hands of the Demi-god Twin.