2222 A.D. Nyakano, Tokyo. In this city where cats who have acquired intelligence and human rights live alongside human beings, the story of amazingly energetic girls who will save the love of this world unfolds. (Source: natalie, translated)

After the liberation of Papnica, Dai was asked by a certain boy to become his apprentice. After a few days of training, he heard rumors that there was a hero who learned Avan-style techniques, so he went to meet him hoping to learn and become stronger. Dai struggled under the guidance of an unfamiliar "master'', but...!?