One Piece : Start As Celestial Dragon And Take Down Hancock - Chapter 103: Starting the journey.

While the demons were rising, mankind was about to become extinct. Six temples rose and protected the last territory of mankind.

A young boy joins the temple as a knight to save his mother. During his journey full of miracles and tricks in the world where temples and demons are antagonistic to each other, will he be able to ascend to the strongest knight and inherit the sealed divine throne?

- Description from novelupdates

Li Ran traversed to another world and became the Holy Son of a Demon Way Sect.

The system has awakened, and the first task released is actually to fall in love?

The Sect strictly forbids relationships between men and women.

Li Ran took the risk of being expelled from the Sect and wrote a love letter to his junior sister, but it was sent to the master by mistake!

In a world where darkness was always a step ahead further and the light was late and bleaker, “Grim Dark Online” has become a well acclaimed VRMMORPG, drawing players into its thrilling depths. But when hackers breach the game's firewall, players including Kenji find themselves trapped in this virtual reality after an abrupt system shutdown.As chaos unfolds, the World Soul Barrier collapses, unleashing a horde of demon gods and their minions upon the realm. The Cult of Black Snake, the Silent Nightstalkers assassins, and the slaughter of the Immortals threaten their very fabric of existence. With the World Soul and the World Tree corrupted, Kenji must navigate this perilous landscape armed only with his last playthrough’s knowledge as a Warrior and several other Classes.Previously, he had conquered the God of Death, a necromancer villain, and earned the title of God of Slaughter. But now, faced with the onset of devastation, he is thrown back to the beginning of this nightmare.Desperate to reclaim his former power as a warrior, Kenji discovers that fate has other plans. Instead, he is bestowed the class of Necromancer—the very embodiment of his past fears. This transformation offers him an unexpected opportunity to rise above his previous limitations. With the unique ability to summon minions that mimic his battle instincts, Kenji possesses greater firepower and tactical versatility than ever before.Now, he must embrace his newfound abilities and confront the demon lords and gods that threaten to consume his world. As a warrior trapped in the body of a necromancer, Kenji’s journey is one of survival, adaptation, and redemption in a realm where darkness reigns. Will he harness the power of his newfound powers? Or will the very darkness succumb them all?

Gods and demons are everywhere in the Grand Desolate World.