Fairy Tail: I Stole the Ryujin Jakka in My Sleepwalking - Chapter 275: FTRJ -

The number one swordsman Zhao Jiangui is the martial world’s best hope for peace: All he has to do is seduce the Demon Sect Leader.

Lost in the vast expanse of space, trapped in the icy confines of a metal spacecraft, I was forced to face a horrifying truth.That I had transformed into a ruthless alien predator in a space survival game.

Demien Walter died on a rain-soaked road in 2025, his career a footnote in football history.A journeyman midfielder whose playing days ended in obscurity. A tactical obsessive whose notebooks gathered dust. A coach whose first opportunity came too late and ended too soon.Until he opened his eyes in 2003, inhabiting the body of Yves Laurent — head coach of AS Monaco.Now, armed with twenty years of football knowledge from a future that hasn't happened yet, Demien faces the ultimate tactical challenge: rewriting history from the touchline.He knows which players will become legends. He remembers which matches change careers. He's witnessed the tactical revolutions that transformed the game.Monaco is just the beginning. With each victory, each tactical masterclass, each deviation from the timeline he remembers, Demien alters football's destiny. From the Champions League's bright lights to World Cup glory, from Milan to Madrid to Manchester, his journey will reshape the beautiful game in ways no one could predict.No cheat codes. No supernatural abilities. No second chances.Just a man with future knowledge in a past world, attempting to build a legacy that even death couldn't erase.Football isn't just played on the pitch. It's won in the mind.And Demien Walter's mind has already lived through everything that's about to happen.

There is no master god, no system, no exchange, and some are just source codes that are fused in the mind to open up the world, not to be forced or suppressed, but to constantly go through in order to become powerful Look at my infinitely powerful source code …

- Description from uukanshu