In 20XX, a new artificial intelligence life form is born into the world. Through DNA analysis of their owners, each person gains their own lifelong companion—an “AINIMAL.” Kaito, the protagonist who lost both parents in a fire accident as a child, lives in the slums with his AINIMAL ChiliPepper and his grandfather Gento, who suffers from a serious illness. To earn the large sum of money needed for Gento’s surgery, Kaito decides to enter “AINIMAL MATCH,” a battle tournament between AINIMALs, and rushes out of their home. Facing powerful enemies one after another, gathering companions around Kaito, revealing Kaito’s past, and discovering the world-saving power hidden within ChiliPepper—unite hearts with your AINIMAL for “Synchro Drive!” A new-sensation SF battle action is born, carving open the future together!