"I'll kill you in the next life." A young man firmly swore.
『I look forward to it.』
The heart of the young man was torn apart along with the world. He had lived for over 20,000 years. He was tired of going after hidden classes and hidden artifacts. He was tired of everything. He was even tired of dying at the hands of the Demon Lord.
But, Kang Yoon-Soo has regressed for the 999th time. To kill or to die. The 1,000th life of the man who mastered all classes has started.