Naruto: I Can Upgrade My Techniques Infinitely - Chapter 1: Nara Kazuki

From ancient times to the present, it is rumored that there is a spiritual realm in the world.

Regarding the theory of the spiritual realm, celebrities and scholars in the past dynasties have different opinions. The poem records:

“From Qi to Tang, Zishan?

“The spiritual realm is indescribable, and it is difficult to ask for forgiveness for ghost workers.”

- Description from novelbuddy

500 years ago, Chen Xi was devoured by a crack in the void and was transported into a cultivation world.

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?

The main character is reborn as a character from a game he played in his previous life. This character falls into ruin along with the villainess, spending the last of their years together. A man named Kururi Helan.