Reincarnated as a step-dad in a fantasy world - Chapter 372: Worth

Nagasawa crossed to Naruto Universe and was bound to Konohagakure.If Konoha is severely damaged and destroyed, Nagasawa’s lifespan will be reduced.He panicked at the thought of the upcoming Nine-Tailed Demon Fox's attack , and the thought of Konoha getting destroyed left him in despair.Fortunately, while bound to Konoha, he can obtain templates of powerful characters.At the beginning, He got the Whitebeard template! Since it's the Whitebeard from the Summit War of Marineford, he can use Tremor-Tremor Fruit's ability and Haki.Facing the Tailed Beast Ball, which terrorized Konoha Shinobi, Nagasawa leaped and shattered the Tailed Beast Ball with one punch!

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

Justin, a helpless orphan, struggle in the wake of life while attending the university and doing multiple menial jobs at once. He tried to survive in this cruel world, but things just won't favor him. It was like the world hated him. But to crown it-- He was partially blind.

But everything changes when darkness descended on Earth and chaos spread everywhere. Then, the birth of supernatural power awakened in humans.

Soul Power.

Spirit Power

Mental Power

Beast Taming

However, it was not only humans that awaken the hidden power. Animals turned into ferocious monster beasts, plants gained sentience, weather mutates, ocean enlarges, and gave birth to never for once seen beasts making the ocean a deadly zone. Earth enlarged threefold.

Then, the WEEDING happens, giving birth to the Zombies.

Under these changes, Justin awakens his soul weapon-- The Ten Rings. With the ten rings, his journey to the peak began. But there is one problem. Each of his rings needs a woman to accompany it to bring out its full power.

In the darkest hour, when all hope was lost. Justin created an ark. And so it began, humanity's last shelter and defense while Justin searches for women along the way.

Follow Justin's Ten wives and Ten Rings with an ark in the apocalypse.

This is a battle of will.

The journey of no return.

This story is about a rookie researcher, who was forcefully dragged away from his restful life, compelled into facing various killers and zombies, always having to risk his life at the brink of death, and finally becoming an advanced researcher that is acclaimed by all. And throughout his adventure, he met an alluring(?) killing machine, who he started to have fantasies on after they had an accidental kiss…

Xiao Yan: Did I fall for him? But he’s a man!

Maya: Who knows…. maybe it’s the other way round?

- Description from Novelupdates