The God of Underworld - Chapter 12 - : Prometheus

“So basically... I'm a Necromancer from my game... in this world?”“...And I'm useless?”“Yeah, right.”---Alexander never expected his dull life to change—until a single message appeared. What seemed like a prank or an ARG from his game became something far more real.He transmigrates.Now, in the body of Asher Morgan, a nineteen-year-old with a lonely past. His plan? Stay under the radar, play it safe, and live like he always had—a gamer, a slacker.But fate had other plans.At Velcrest Academy’s Inauguration Ceremony, where students awaken their powers, Asher receives the worst possible class.“Outcast. Worthless.”That becomes his new name—until fate decides to change plans.The system glitches.—[ERROR… ERROR… Recalculating Awakening Process…][Hidden Ability Detected—Reawakening Process Initiated][SSS-Ranked Ability Unlocked: Sovereign of the Dead][Secret Evolution Triggered—Job Upgraded: Lord of Draconic Souls]—At first, he is frustrated, but then, he remembers....if the old Asher had lived to see this moment, he would have been miserable, abandoned, and forgotten.He reluctantly accepts his fate, ready to prove them all wrong.

His Royal Highness the King of Han, who was afraid of the dark and ghosts and loved to cry, has always been the good baby of the princess.
Until one day, His Royal Highness the King of Han found a book in the bookstore…
Picture book?
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Search keyword: Protagonist: King of Han, Princess of Han

- Description from novelbuddy

** A Light Novel featuring a weak protagonist tasked with the impossible mission of saving a Virtual Reality world that has moved on without him. This post-apocalyptic sci-fi is brimming with drama, conspiracies, and action. **As the Santa María spaceship travels the galaxy in search of a new home for humanity, all passengers must remain in cryosleep and log into The Novus, a Virtual Reality MMORPG designed to train the younger generation in building a civilized society.Not only is this place a utopia, but it’s also a fresh start for seventeen-year-olds Alan and Astrid, who have just started dating.“Life in The Novus will be awesome with you by my side!”But an emergency pulls Alan out of the system—a catastrophe that endangers the lives of the Santa María's population and their mission.What will he find when he returns?Three years have passed. Astrid has become one of the strongest warriors, and Alan... is now the weakest User in the virtual world.

One of the few self-cultivator who exist in this modern world; due to an unfortunate event, completely destroyed his body in an explosion. Using all his effort to save his primordial spirit, he ended up in an strange magical world and had to start all over again. From a fallen aristocrat to the Warlord of Chaos, this can no longer be summarise as legendary; this is the life of the God of War.

- Description from Novelupdates