My Gu Can Cultivate on Their Own - Chapter 227 - Kill  

Back in 1998, an ordinary person who has been through, tired, cried, and fought, hopes to run down-to-earth and keep up with the trend of the times.

- Description from novelbuddy

Poisoned by his wife, betrayed by his best friend, and abandoned by his children—Matthew died broken and alone. But when he wakes up thirty years in the past, trapped in his eighteen-year-old body, everything changes.Now, the halls feel haunted, memories from a future that may never come keep popping into his head, and something strange is growing inside him—something he can’t explain. Sadly, this second chance isn’t a blessing. It comes with a price.But this time, he won’t be the victim. This time, he’s the one in control.

Humanity had finally ended the war with the Demon Race and sealed them away, forever.However, they now have to face the treat of the Shadow World, an equally dangerous threat to their civilisation under the rule of the Emperor!Facing only misfortune from a young age, Nikolaus Reinhardt never expected anything good to happen to him.But his world completely changed when he awakened as an Ascendant, and accidentally summoned a member of the Demon Race in his house.Just because he messed around with a god damn book!