MTL - Supermarket Space: Traveling Through the Ages and Marrying a Rough Guy - Chapter 622 I don't know how to be considerate of pregnant women

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

In the ancient times when gods and demons ruled the world, countless legacies were left behind.Young Qin Chen acquired the Supreme Devouring Scripture, which allowed him to consume the heritages of gods and demons, comprehend thousands of magical laws, and become a supreme sovereign.The day when my Devouring God clan returns, will be the day that these myriad worlds tremble!

An 18-year-old poor college student tried to apply for a job as a tutor but his life almost ended as demons' meal. In his last breath, a mysterious woman gave him a strange power. When he opened his eyes he had turned into a demon with a system that would turn him into… A pervert.

Now he must lived with his dual identity as a model student named Ethan and an incubus named Damian.