From Goblin Slave To Giga-Daddy: A Goblin's Guide to Getting a Harem - Chapter 49: Death By Cheeks

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.

People got a planet in the beginning and what to do with it was up to them.Wang Yi, a young man in the 21st century, coincidentally transmigrated into a world where everyone had the opportunity to awaken a planet.The larger the diameter of the planet, the more advanced the energy transformed, and the more powerful the civilization created.Some people obtained the planet's energy as “ Martial True Qi” and used the creation sandbox to create a martial civilization, and the people on the planet were all martial artists.Some people get the planet's energy as “Immortal True Energy” and use the creation sandbox to create an immortal civilization, and the people on the planet were all cultivators!Some people obtained the energy of the planet as “Fighting Qi”, and used the creation sandbox to create the civilization of Fighting Qi, and people on the planet are all fighters!Some people obtained the energy of the planet as “Soul Power”, and used the creation sandbox to create the Soul Path Civilization, and the people on the planet were all Soul Masters!...Everyone was struggling to evolve a magical civilization system.Wang Yi, however, used his past life memories to start evolving an “Primordial” civilization!“Your world-extinguishing laser cannon is powerful, but I have the son of the Great Dao, Pan Gu! One axe will reduce your world to naught!”“Your thousands of angels are powerful, but I have three thousand Chaos Demon Gods to beat you in a minute!”“Your army of darkness is awesome, but I have the Buddha's Paramount Sage, who will defeat you in a minute!”“...”This was a story of how the Primordial civilization crushed various transcendent civilizations.

It was the best of times, it was the worst of times.

—— Dickens《A Tale of Two Cities》

I made myself a ghost back to life from death, with hatred in my bones and conspiracy brewed for years, sinking into the marsh, into the abyss. All I want is to bury the rotten roots, growing thistles and thorns which can kill like upas, to stab into the hypocritical civilization.

In the bottom of the muck……I found my lucida.

- Description from Novelupdates

What would you say is the most valuable thing in this world?