The Selector battles are over, and life has returned to normal for the girls who participated. One girl, Kiyoi, feels that the LRIGs might be still out there, plotting, and she asks for help from the winner of the last game.
The LRIGs aren't gone after all, and a new wave of Selector Battles is about to begin. Kiyoi fears that they're planning something much bigger and much darker than before.
The 3rd round of Selector Battles has begin, and this time, there's a new addition to the rules: the Keycards. What changes will they bring to the battles, and why do they exist at all?
Selectors who were once LRIGs can "Unlock" to fight as LRIGs once more. Yuzuki uses this power to try and get Midoriko back, but... Meanwhile, Chinatsu wants her memories back, and is willing to do whatever it takes to get them
Donor transforms into a keycard to save Chinatsu from Carnival. Donor and Piruluk manage to stave off Slow-ko and Aya's attacks, but then Carnival summons herself into the game!
Suzuko, who jumps into battle to regain Chinatsu's memories, is confronted by a carnival. Meanwhile, Ruko, searching for her missing partner Tama, hears someone's voice.
Ruuko and Suzuko begin their battle due to Carnival's scheme. The two continue their duel with equal strength. Then, Kiyoi and her friends discover Ruuko and Suzuko
Kiyoi arrived in the room with the white window and stood before Monghan. Unable to tolerate ending the battle, Kiyoi was determined to defeat Monghan and create a new order.
