Chrono Shindou, Shion Kiba and Tokoha Anjou of TRY3 have since entered high school, and in order to take hold of their own separate futures, each of them has formed their own teams, and will clash as rivals in the U20 Championship!
Chrono starts searching for teammates to take part in the U20 Championship. While searching, he meets Kazuma Shouji.
Taiyou Asukawa challenges Kazuma to a fight to gauge his strength. And the power hidden within Kazuma now awakens!!
Shion Kiba enters Fukuhara High School in order to master his studies, sport, and Vanguard. But the Fukuhara High School Vanguard Club is in danger of being abolished!
The Fukuhara High School Vanguard Club goes in search of a 3rd teammate. Shion has decided on the senior Rin Hashima but…
Chrono and Shion have formed their teams, and engage in an exchange match at the Dragon Empire Branch!
Tokoha searches for her path after choosing to study on her own overseas in Paris. Jaime introduces Miguel, another youth aiming to become a professional cardfighter, to Tokoha.
Tokoha couldn't accept the harsh reality, and is lost in sorrow. To overcome the tragedy and ride towards the future, she challenges Jaime to a fight.
Tokoha returns with a mysterious masked-man, searching for teammates to compete in the U20 Championship with. An unexpected guest awaits Tokoha when she visits the Dragon Empire branch.
Chrono and his friends challenge the special qualifiers at the Dragon Empire branch to earn the ticket to the U20 Championship.\NAnd the opponent that appeared before Kazuma, was none other than Tokoha's brother, Mamoru Anjou.
Kazuma Shouji is leaving the team. Unable to accept it, Chrono Shindou chases after Kazuma, but is mistakenly taken to see the "Boss" of those underlings…!
It's the last day of the U20 shop qualifiers… At Card Capital, as the Striders believe in the return of Kazuma Shouji, the opponents standing in their way are none other than the Trinity Dragon.
The fierce fight between Striders and Trinity Dragon draws to a close. Carrying the feelings of their team mates, the final match between Chrono Shindou and Tsuneto Tado begins. Who's team will be the one participating in the U20!?
A spectacular party is held to raise the morale of the three teams of Striders, Fukuhara High School Vanguard Club, and Jaime Flowers. What are they thinking about right before the main competition?
The "First Stage" of the U20 Championship begins! The battlefield is none other than… Planet Cray!? The battle for survival of the young fighters commences.
Kazuma Shouji undermines and struggles against the Makoto Asada of Team New Nippon. Supporting Team New Nippon in a cool manner, Makoto's strength materializes from the friendship he holds deep in his heart.
Tokoha Anjou has to fight against Taiyou Asukawa. Regardless of their friendship, only the winner can proceed…! As Tokoha resolves on the fight, Taiyou undergoes special training for the U20.
Satoru Enishi encounters Kamui Katsuragi. Against Enishi, who is still finding his real fight, Kamui launches consecutive attacks without mercy. Will Enishi be able to overcome this predicament?
Wanting to leave the team, Rin Hashima challenges Shion Kiba. Will Shion be able to defeat Rin and kept the team together? As Henri Hayao watches restlessly, the fight between the "Ki" Prince and the Queen ensues.
Rummy Labyrinth with Saya hypes up the U20. Wanting to make amends for the past, Am faces off against Henri Hayao. With Shion Kiba's team mate as her opponent, what will Am do…
The opponent that Kazuma Shouji matches against is none other than Luna Yumizuki of Rummy Labyrinth. Fascinated by the sweet techniques of Pale Moon units that Luna displays with the power of imagination, will Kazuma have his heart stolen...!?
The First Stage is suspended due to the power outage of the faulty machines. Kazumi Onimaru takes advantage of the confusion, and Kouji Ibuki tails him. Their paths cross in the darkness.
The First Stage is coming to an end on the third day. Destined to battle against each other for the third time, the serious face-off between Tokoha Anjou and Rin Hashima unfolds. With their full fighting spirit clasing, what will be the outcome of their fight...?
Shion Kiba's next opponent is none other than the one who defeated Tokoha Anjou on the second day, Taiyou Asukawa. The battle of the two paladins for their friendship and their team begins.
Noa Hoshizaki appears in front of Chrono Shindou. During the "last fight" of the First Stage of U20 Championship that everyone is focused on, Chrono witnesses a repulsive image upon noticing the unusual appearance of Noa.
The First Stage ended with a number of unsolved mysteries. Chrono gets invited to Card Capital by Kamui. All the fighters that used to fight there have assembled, but none of them seem to be able to maintain their composure…
Chrono accepts a fight from Aichi, who returned from overseas. Supported by Kamui and Shin, who know both of the fighters very well, Aichi is determined to ignite Chrono's fighting spirit with his strong imagination and bonds with his units.
Ibuki meets up with Chrono and challenges him abruptly, "If you cannot defeat me, forget about everything and leave.". Will Chrono have the power and resolution to defeat Ibuki's relentless attacks?
Visiting "Nome Tatsunagi", head of the Tatsunagi Foundation. Nome, who watches over the fate of Cray and Earth, reveals the truth behind the events that are happening. Who exactly are the "Diffriders", who hide their right hand…?
The Second Stage of the U20 Championship, a battle royale where the objective is to race to the top of the castle. Taiyou encounters Verno from Team Diffrider, and the harsh rule of this stage is that players that lose can no longer participate.