Kill Me More Times, I'll Become Invincible - Chapter 137:

Humanity has been gradually transported to the Abyss by a bored god to compete against other races and monsters.The problem is… humanity failed. In a last desperate push the strongest survivors chose a comrade to travel as far as possible back in time.

“H-Haru.... please... go...”In the midst of the sudden and ongoing Apocalypse, which had turned their lives into a complete hell, Haru embraced his loved one amidst the sadness and despair, watching helplessly as her bitten neck turned black.The person who meant the world to him was turning into a zombie, and he felt helpless to save her.“Why... Why... Why...” Tears fell as he held her tight, not wanting to let go. He was afraid, not of death or turning into something else, but afraid of losing her once more.Yet, amongst tears and desperation, a bit of unexpected hope appeared out for Haru.[Ting! Ting! Ting!][System has now finally initialized!!][Assigning a designated Class suited for the User!!][3][2][1][Congratulations! You acquired the EX Class – Zombie’s Husbando!!][First Quest – Choose a Zombie to be your Waifu!]

“If I don’t die… I swear I will act on all my evil thoughts..”

Not exactly everyone’s typical thought when they’re about to die. What will a cowardly young man do when reincarnated with the evil powers to redefine his destiny? Can the natural kindness of human nature triumph over evil? Will he become the cold-blooded demon king of legend, or will he forge his own path and rain down another kind of terror?

- Description from novelupdates

In the spring of year 6823 of the New Calendar, Lu Xuan, an unregistered resident of the Federation, hid outside a high school classroom and secretly learned a Cultivation Skill, embarking on the path of Cultivation.On the same day, he returned home and had a dream, just as he always did. In the dream, he was in the Guardian Storage Room during the Spring and Autumn Period in Chinese history（770-481 BCE）, and the current Keeper of the Records was named Li Er, also known as Laozi.Later, Lu Xuan dreamed that he became the succeeding Keeper of the Records, became Confucius's second teacher, became the senior brother of Zhang Daoling, the Ancestral Celestial Master, and became the honorary father of the First Emperor...Even later, someone unearthed a roll of bamboo slips from the ground, on which an event was recorded.[The eighteenth Keeper of the Records, Lu Xuan, his Sword Qi like a waterfall, assassinated Duke Huan of Qi in his bedchamber]