I'm Already Spreading Our Culture, and You're Still Guarding the Border?

[System + showbiz + everyday life + heartwarming + multiple leads + a touch of sci-fi + super satisfying!!!!!!]

Gu Chen is watching the latest episode of a singing competition. When he opens his eyes again, he's in another world.

Then he hears a ding in his mind.

So transmigrators really do get cheats.

But why is his cheat so unusual? Why is it obsessed with mahjong...

And why are the rewards it gives out so bizarre too...

[This is an everyday-life story. The blurb doesn't do it justice, so head to the main text.]