Don’t Concern Yourself With That Book - Chapter 15

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.

Humanity’s first 8th Class Mage.

Betrayed, he traveled back 30 years into the past.

The story follows Ian Page, archmage and the first man to break through the 6th class, then through the 7th and become the most powerful mage, an 8th class mage.

After a lifetime of war and killing, the continent was finally unified thanks to his efforts. Now, old, his wish is to live the rest of his life in peace and try to find salvation for all the blood he spilled. However, his old friend, maddened by paranoia, couldn’t tolerate someone so powerful, so he betrayed Ian and killed him.

In his last breath, he cast a time magic that allowed him to travel back to when he was a young boy. With all the knowledge he previously had, he decided to do things better so he could end with less regrets.

Wake up to Marvel and become a latitude demon between existence and non-existence. In order to disrupt the real dimension, the nihilistic demon summoned players from the unknown dimension!

In New York City, [Black Hand Wallon] re-enacts the shocking heist, this time targeting the playboys of Stark Industries!

Hell’s Kitchen has opened a new home [Xinhei Dingjiu], and at the same time [Dark Cooking World] is trying to control the world with taste!

Jinbian ushered in a new enemy, and the Italian “evil” party named [New Pengliel Family] is expanding step by step!

[Miko Kikyo] living on the street met the fearless people of Hell’s Kitchen. While investigating the lost shadow case, what kind of sparks could they create!

- Description from novelbuddy

As the number one pill alchemist of the immortal world, Mu Chen had always believed that it was because he had single-mindedly focused on concocting pills that led to him to neglect disciplining his disciple. Which in turn, caused his disciple to be led astray by the seduction of devil cultivation, leading to the three realms to fall to disaster. After his rebirth, Mu Chen resolved to properly teach his disciple, give him the very best resources, earnestly love him, carry him close to his heart, teach him by way of example, and didn’t let him grow corrupt.

Sure enough, his disciple became more and more “intimate”. Every day his disciple even crawled into his bed, rubbing against his chest and clinging to his thigh. It was just that his expression isn’t exactly quite right……

- Description from novelupdates