I, the Ancient Demon Lord, Am Forced into Marriage from the Start

[Invincible + Most Miserable System + Sweet Romance + Feel-Good Story]

Ye Chen, a great demon feared by countless ancient powerhouses, was ultimately sealed inside a forbidden zone. Then, just as humanity was on the brink of extinction, the great demon emerged and unexpectedly awakened the Apocalypse System.

System: Host, please follow the instructions and fulfill your mission to save the world.

Ye Chen: Heh. I don’t need you telling me what to do!

System: Then should I leave?

Ye Chen: Get back here. First, teach me how to date.

System: This System does not have that function.

The next day...

[Ding! New quest: Hug your girlfriend for one hour.]