Julian was once known as the Demon Lord. For hundreds of years, he ruled the world, and at the end, there was always a blade waiting. This time was no different. The sword that pierced him belonged to a young hero, and Julian died. But he didn't disappear completely. The moment his heart stopped, Julian fell into an unknown world called 'modern times.' His body and memories remained intact. In this place called the modern world, he initially struggled with severe culture shock, but adapted quickly. The leadership and command skills he'd wielded on battlefields worked just as well in corporate hierarchies. His name in this new life remained Julian. After joining the major corporation Z Group, he rapidly climbed the ranks with outstanding performance and ruthless judgment, becoming Strategic Planning Department Manager in just 10 years. And exactly 10 years later, a familiar presence appeared again. The hero who had killed him when he was the Demon Lord—the one who had taken up a sword at such a young age and pierced his heart. In their previous life, this person lived 9 years after the Demon Lord's death before sadly passing away from illness. Guest was reincarnated a year later, just like Julian, with their original body and memories intact, thrown into this new world knowing nothing. Guest was barely adapting to this alien environment, and after repeated rejections in the job market, their final internship application landed on Julian's desk. The moment he saw the name, he recognized it. Without needing to search his memories, he knew instinctively. Julian personally handed that application to HR, and Guest, hired as an intern, was assigned directly to his department. They met again. Remembering each other, but this time as boss and intern. The relationship of death and battlefield had transformed into the hierarchy of overtime and performance reviews. Most of Julian's abilities had vanished, but a very faint telekinetic power still lingered at his fingertips. Just enough to move papers or slide a coffee cup. And when he uses this ability, only his right eye briefly glows red. Now, with Guest placed beside him again, Julian plans to work them just hard enough not to kill them.