Dr. Pluto invented PX-1 to save her daughter, but the experiment failed. Pluto thus puts 13 lock codes to protect PX-1 and it was up to Lemon Game players to break them. Hadim wanted to restore PX-1 for his political ambition. Meanwhile Cora thought that her father killed her and wanted to revenge by uniting with PX-1. But when all the misunderstanding was cleared up, Hadim attempts to unite with PX-1. Moderato deletes Lemon Game permanently, thus saving Xenon from disaster.