Transmigrating into a Demon Spirit to Blow up the Entire World - Chapter 54

ps: The 2019 new book “Return to Eighteen Boys” is already fat! !

An Feng, a mediocre clerk, obtained super technology and wealth by chance and coincidence. With the ultimate goal of making (cheat) money by manufacturing next-generation man-made diamonds, he traveled across the ocean and dealt with the American people. A series of stories about pursuing dreams, pursuing freedom and changing lives happened.

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- Description from novelbuddy

What happens when a fanfic author with a habit of lying and scheming suddenly finds himself as a self insert during Duelist Kingdom? What happens when you have Yugi, Joey, Kaiba, and the rest encounter someone who knows all about every major player in their saga... and sees no problem with abusing said knowledge? Chaos, dear reader. Sweet, sweet chaos

Thirty-three classmates hold a reunion after graduating. Tensions soar and old friendships are tested, as a strange turn of events lead them to follow the path of the ancient gods.

Sherlock is a new generation Dungeon Lord whose ambition is to become the greatest Devil King and building up the greatest Dungeon in the Underworld.