I'm in Tokyo, My Swordsmanship Is Extraordinary

Three years ago, Nobu Fushimi traveled from a car accident to another world in Tokyo. Looking at the advancing era, he, who is as small as an ant, just wants to lead his sister to live a peaceful life. However, a game called "Disaster" quietly surfaced in front of the trend of this era of rapid advancement. The mysteries buried by the times are gradually awakening, and ancient secrets are tempting to climb to the highest level. Desire, greed, reason, cruelty, and... Madness. [The world is like a pond, and time is like a fishing rod] [Guess what will be caught after swinging the fishing rod countless times? Fushimi Nobu didn't want to guess. Seeing the world gradually falling apart, all he could rely on was the sword in his hand. "I will go to Tokyo and prove my sword is extraordinary." ………………………… The introduction is too weak, please move to the main text.