I’m the Evil Lord of an Intergalactic Empire! - Chapter 11Book 13: : Situation Unknown

An orphaned boy with dreams of making it big through being a blacksmith is given a once in a lifetime chance to succeed when he's taken in by an odd pair - Eggor and Ella. While former teaches him the arts of craft, the latter teaches him the mysticism of cultivation, granting him two paths to tread in this life.

The nemesis that Ji Ran had been unable to stand for many years has finally gone bankrupt.

All his scoundrel friends asked him, what now?

Ji Ran laughed coldly, you still have to f*cking ask him?

Of course, it’s to use this opportunity to torment, humiliate, and trample upon him.

Therefore, Ji Ran waved an arm and threw a card towards his nemesis in mad glee, saying that he’d ‘sponsor’ him.

However, the next day, he sat up in bed with a dumbfounded expression. Feeling a sore ache in his body, he recalled the bitterness of last night, as well as their ‘fight’ and the tears he’d wept…

f*ck your mom.

Motherf*cker.

Qin Man, you dog, I’ll kill you!

- Description from Novelupdates

Xu Yiyang, who was only late in his life when he was middle-aged, returned to 1999 in a dream.

At the turn of the millennium and the turn of the century, he realized a truth:
Not only to be famous early, to start a business and make money, but also early!
………………
New book uploads, new stories, new voyages,
Hope you all support!

- Description from Uukanshu

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