A Core Ship From The Start - Chapter 13 - 9 Intense Battle_1

Jang Joonbum started stream to enjoy an easy life.

After dying in an oddly anticlimactic vending machine accident, Kazuki Ren is reincarnated in the demon realm—not as a hero, not as a villain, but as the only human male student enrolled at the mysterious Academy of Ruin, a school where all the professors are demon lords and all the students are powerful, beautiful she-demons.Ren is told he has one task: survive.But there’s a catch. The Academy’s darkest secret is about to awaken, and Ren holds a hidden power that could either destroy the demon world... or rule it.Now surrounded by seductive demons with hidden motives, eldritch tomes, forbidden dungeons, and twisted exams, Ren must master his ability—or be consumed.Magic, mystery, danger, and temptation await in this dark academia harem fantasy.

This is a world where humans, demons and mysterious beasts coexist.

Humans cultivate mysterious qi. Demons cultivate corporeal bodies. Mysterious beasts cultivate soul perception.

A legend says that in the middle of an endless rainforest, there are extremely powerful existences; they are called demon kings.

Some demon kings have a tyrannical corporeal body, some are experts in illusions.
Some demon kings are proficient in magic, some can even move mountains.
Some demon kings are able to sense things thousands of miles away.

These demon kings rarely appear in the human world. Even if they emerge in the human world, they would reincarnate in human form; assimilating with mankind while seeking to breakthrough realms…

- Description from Novelupdates

William Valehart was the absolute—supreme god of all existence. He ruled not a world, not a galaxy, but everything. Unbound by time, space, or death, he was omnipotent, eternal… and alone.By his own will, he sealed away his infinite power and chose to reincarnate. Not in defeat, but in search of something more. He boarded a world-sized ship and cast himself into the unknown, embracing mortality.He died—and awoke again.Reborn in a new universe, aboard the same titanic vessel, William finds himself in Urenus, a galaxy far larger and richer than the Milky Way. It’s here that a portion of humanity—just 5 to 8 percent of its population after conquering over half the Milky Way across millennia of war—has arrived through a now-vanished wormhole. Cut off from the rest of their civilization, they’re stranded, under siege, and barely holding out.Urenus is not unclaimed. Native civilizations, empowered by mana and superior numbers, have rallied against the human invaders. Advanced mech pilots are humanity’s last hope—warriors who push past mortal limits—but they are too few to win.That’s when William Valehart intervenes.With fragments of his sealed power awakening and his god-ship still under his control, he saves a human fleet from destruction—and learns of their fragile, desperate stand.He makes a choice.Not as a god who demands worship.Not as a savior bound by duty.But as a force reborn—who will fight beside them, reshape the war, and carve a place in this new universe.Because he can