Card Room - Chapter 18 - Contract

... The Clubs room will match challengers with the same progress. The five of you have cleared all the D-grade secret rooms. Starting from the C-grade secret rooms, multiplayer and cooperation mode will open. A contract is a must have for the formation of a team.”

The girl wondered, “What if you choose the Clubs room first? Can you team up with someone else after clearing the instance?”

“No, for people who choose the Clubs room in the beginning, I will look at their performance a ...