Mutsu Izumi, known as the formidable Champion of the Underground Arena, decides to retire from his legendary fighting career, leaving behind a trail of awe-inspiring victories. Surprising everyone, he steps away from the world of combat to immerse himself in the enchanting game called 'Heroes of The Crumbling World.' However, this takes an unexpected turn when he finds himself inexplicably transmigrated into the very game he sought solace in. Navigating through this unfamiliar digital landscape, Mutsu Izumi encounters a series of daunting challenges and gripping adventures, each testing his wit and courage in ways he never imagined. Will Mutsu Izumi discover the key to his newfound reality and emerge victorious against the daunting challenges of this virtual world? . . . Hello, I need to let you guys know. This is just somekind of practice for me. I want to practice on writing a fight scene while also improving my grammar. So, I hope you don't mind with the messy story. Of course! I will try my best to create a decent storyline! Please read this!