Nightmare Express

Baka description:

On the seventh night where the sky is dyed in rainbow colors, there’s a legend that an invitation will be sent to the most unfortunate person in the whole country.

The people of the world dubbed it “The invitation to happiness”.

Have fun!

Japanese raws:

chapter 10 here end
chapter 9 here
chapter 8 here
chapter 7 here
chapter 6 here
chapter 5 here
chapter 4 here
chapter 3 here

Other names: