Real Man - Chapter 105:

Calamity descends upon a a tranquil world in the black of night, transforming it into a death game! This a a true apocalypse, but this is not the end of humanity!

- Description from Novelupdates

After an unforeseen circumstance, Kayn is abruptly transported back in time, accompanied by someone he once considered his most significant foe. As he delves deeper into the past, Kayn discovers the truth behind the events that led to his betrayal by both his guild and allies, as well as the agonizing reality of being abandoned by those he was sworn to protect. Fueled by a deep desire for retribution, Kayn vows to take matters into his own hands and right the wrongs of the past, proclaiming his intent to become a Kingmaker and shape the future according to his own vision.

Richard Maddox, a once-promising football prodigy, dreamed of becoming a star. But just as his dream was within reach, it was abruptly shattered when he banged his head on the goalpost, fracturing his skull. Forced into early retirement, Richard vanished from the public eye.People thought Richard Maddox was done for. However, no one expected that during his unconscious state, his spirit detached from his body. He drifted through time, witnessing the world of football from the perspective of a ghost. It was strange, unpleasant, yet exciting. No need for tickets or travel—he could simply fly.England, Italy, Spain, Germany—the best football countries in Europe—and even the passionate South America, the energetic Africa, and the growing Asia—Richard observed the rise and fall of football giants, all from the sidelines.However, watching football from the other side was quite different from experiencing it live. He missed the cheering, singing, and chanting with the other fans. No one could hear him now. No one could watch football with him. He was... alone.Just as Richard was about to be bored to death, his soul was sucked back, and he realized that only an entire year had passed.'Interesting,' he thought, laughing. “I could bet, invest in companies that will succeed in the future, and get rich. Bitcoin, I'm coming, baby.”but who could have guessed that Richard would dive so deep into the world of football—From owning a single share to testing the waters as a scout, trying his hand as an agent, and eventually stepping into the world of coaching, before finally diving into the realm of football club ownership.It has truly been a full spectrum of football, the highs and the lows. Join us as we welcome Richard Maddox!

Our protagonist Caam is a man from Earth that was reincarnated into this world as a demon. In order to survive, he spared no effort in avoiding the sparks of battle and without noticing it, he became strong himself.