Kujibiki Tokushou: Musou Hāremu ken - Chapter 180

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

In the post-apocalyptic age, men were damned.

The orphan Sun Chan was abandoned by her first love. Her foster mother and sister sold her to the village drunkard, where she endured endless torment and ultimately died from exhaustion in the cornfield. After awakening, she returned to being seventeen years old. She vowed to leave the village this life and carve out a new world for herself! Family, friendship, and love, she will strive for them all. Hey, soldier brother over there, why do you keep looking at me?

“The universe is vast and boundless; the Dao is unpredictable.”Lin Beichen was reborn into a parallel world, and a mysterious and profound voice echoed in his mind. Though he didn't have a system, he unexpectedly discovered his Heaven-Defying Comprehension and could perceive everything at a glance.“How should I utilize my Heaven-Defying Comprehension?”Until one rainy day. The deluge poured down, Electric Flash intertwined with Lei Ming, and Lin Beichen gazed out the window in a daze. In that moment, inspiration struck, and his heart resonated with a profound sensation.He slowly stretched out his hand, opened his palm, and looked toward the thunderous sky. He began to clasp one finger toward the heavens and the earth.“In this world, there was no Cultivation Method. But since I am here, one should naturally appear!”“Palm Thunder!”[ps: A unique protagonist-centered cultivation genre]