This time long ago, the earth became a chaos when aliens took control of it, mainly in Korea and Japan, there they have two things of entertainment for aliens, In Korea, there is Alien Stage, a singing round audition, its system works the same as Japanese entertainment: 100 points, the winner advances to the next round, the loser will be executed instantly.

Tanjiro and Nezuko, separated by fate, will they be able to meet again? That will be seen later, let's just hope that fate is not cruel....