Death March kara Hajimaru Isekai Kyusoukyoku (WN) - 18-32. Boy in the Labyrinth City (5)

Life used to be so simple,

Full of false hope and endless beliefs in one’s ability in wooing that beautiful girl.

But in a single instant,

Everything as you knew it, plummeted faster than a spoken rejection.

What is real and false can’t be determined,

As the world slowly falls into the maws of the apocalypse.

How will our simple friend respond to the call; the summons?

No matter what he chooses,

Chaos SHALL Reign!

- Description from Novelupdates

There were five heroes who fought against Erebos, the primordial evil that drove the world to the brink of destruction. [Brave] Aron. [God’s Blacksmith] Dweno. [The Founder of the Nebula] Luna. [King of Wisdom] Risinas. Lastly, me [The Hero of Beginning] Kyle. When I was reincarnated 5000 years later, everyone was praised as a Legendary hero. “Except me.” A gift from God that records the achievements of heroes. The Hero Academy with Hero Records. Let’s go there and find out why.

On modern-day Earth, An Lin seems to have been abandoned by God.
When his father suddenly disappears, An Lin is left with his father’s immense debt, putting his life at risk.
After being forced to a rooftop by his pursuing creditors, An Lin is unexpectedly swept off his feet and brought to the ground safely.

After learning that he was saved by an Immortal, An Lin is gifted, seemingly out of pure generosity, the ‘God Of War System,’ and a pass to a new realm.
Follow An Lin as he experiences a whole new world of legends, meets many new friends, acquires legendary weapons and tools, and starts on his path of becoming a powerful cultivator. There is never a dull time in An Lin’s new life with his ‘great’ new system!

- Description from Novelupdates