Gin no Juujika to Draculea - Volume 04, Chapter 2 - Witchs Mansion

Jian rue gazed back at the ugly gray alien while stumbling and running. he clumsily tossed a stone at it “Fuck just leave me alone!!!”Suddenly a warm pair of hand grabbed his waist and tossed him over a study shoulder.“Xing yu!! let me down! you fucker!!!”The said man chuckled and playfully smacked his butt. “Honey, I'm saving your life~”“I had it under control. Now, let me go!” Jian rue bit his shoulders hard until the sweet taste of blood filled his mouth.“Hiss.. baby, you're making me hard~”Jian rue froze. “W-why are you following me! why me..”Xing yu stopped running, and with a swing of his sword, the ugly tentacle alien was slayed. He gentnly pulled him down and hugged him close. Peering into his eyes, he smirked, “Because you are my betrothed,”

Travel through Naruto and become the son of an ordinary civilian Chunin.

In this life-like world,

He obtained the golden finger to speed up the practice of ninjutsu,

Let ninjutsu itself produce a magical change from decay.

The knife cuts the jade, and the water bomb breaks Suzuo.

- Description from novelbuddy

The dawn era after the end of the half century has gradually rebuilt the order, abandoned civilization, and is full of undivided violence and desire.
The noble and powerful pioneers are in charge of the city, and the evil and mad plagues are in the wilderness.
Pure human beings who cannot mutate are the weakest, dominated by the rulers of the pioneers, and are not as good as animals in the wilderness.
A purely humanized young man with a worldly experience has quietly entered the WTO, holding a three-foot long knife and a long-distance desire to boil in the world of purgatory. From the nameless name to the sorrow of the Supreme Court, the name of the black ride is resounding!

- Description from Uukanshu (translated)

With the revival of spiritual energy and the breakdown of the order of species, it is a difficult test whether human beings can still stand at the top of the biological chain.

(There is already an old book, The Strongest Descends in the City, you can read it.)

- Description from novelbuddy