MTL - The Day of the Draw at Hogwarts - v2 Chapter 39 Live the way you hate the most

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

When Cheng Guang woke up, he realized he had traversed to another world.He had thought his transmigrated identity would be the esteemed Princely Heir to the Duke, but he hadn’t expected an additional (pseudo-) in front of it.It wasn’t tragic, but it definitely wasn’t great either, it was just very helpless.Cheng Guang had thought that being able to be a pseudo-Princely Heir was the biggest cheat in his life, but to his surprise, he was also bound to a system.This system was even more of a scam!It seemed to have bound him three thousand years too early!It started by telling him he had advanced to the Heavenly Human Realm and instructed him to confront the Empress of Great Zhou, who was also in the Heavenly Human Realm.But he was just a small potato!However, wait a second, the Empress of Great Zhou, years later, seems to be just a pushover right now?Cheng Guang became resolute and confident again, I got this!!!

A Federation Colonel with abnormal thoughts was locked in a dark room and met a little looney.

“Your whole body emits a scent that I dread (covet) and fear (desire).”

A frigid Colonel X little looney roommate: A sweet story of interstellar travel

- Description from Novelupdates

Luo Qing Chen is a wandering spirit that died thirty thousand years ago, roaming the Chaos Space

In order to not turn into dust, she is bound by an ice cold system to travel through time and space to complete missions.

Girls that pretend to be weak?  Slap them without explaining.

A silly cannon fodder?  Helping them amass treasures.

Meeting a real male god?  All of them will pamper.

System: Dear masters, what do I do if my host even dares bully the heavens?  Waiting for an answer, it’s urgent!

A certain male god: Change systems.

System: ヽ〔?Д?〕丿

- Description from Novelupdates