I Reincarnated as a Strong Character Type Unrelated to the Story (LN)

Just by sheer coincidence, there I was—unbeatable. Set in a modern-day Japanese-style RPG, Neon Light. I had devoted my life to this game, replaying it countless times out of love. Now, I found myself standing—no, reincarnated—on the very stage of my dreams. The character I reincarnated into was Lux, a worn-out salaryman-looking young man I had never even seen in conversations within the game. He’s an overpowered character that makes me worry whether the game balance will collapse. Despite my efforts to quietly live without disrupting the beloved game’s storyline, I ended up rescuing characters who were supposed to die and even gained more respect from the final boss than the original prot...