Ryn of Avonside - 118: Bubbles on Bubbles

Time travelling from the majestic era after the Recuperation of Reiki, he became Kimura Kazuki, a 16-year-old high school student in Japan, one year before the Reiki Recuperation.

Tentatively, he set out to hone himself to the bone, burning candles at both ends to stockpile resources in preparation for the imminent Recuperation of Reiki. His goal was to be many steps ahead of all humanity when the time comes.

However, it seemed like fate had decided to play a cruel trick on him.

One year later, the Recuperation of Reiki… did not happen as expected.

- Description from Novelupdates

After the nuclear warfare, massacres started to spread throughout the entire world. The order between humans completely collapses, and the strong eats while the weak gets eaten becomes the #1 rule.

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

Carry a full belly, her husband brings another woman home and even wants to kick her out!

Tragically dying and reincarnated, she is determined to escape, yet he relentlessly pursues: “Dare to flee, I’ll search the entire city, find that woman within 48 hours!”

He’s arrogantly domineering, turning his hand he treats her as insignificant, reversing his hand she’s the treasure held in his palm.

She scoffs: “Stay away from me, we’re already divorced!”