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.

Tokoha's opponent is none other than Saori of Team Diffrider, who participated in place of Miguel. To live up to Miguel's expectations, Tokoha renews her determination in her fight against Saori, but Saori denies her determination, and mocks Miguel's death.

Onimaru is merciless against Rummy Labyrinth and Kumi, and makes a fool of their "enjoyable fight". Defending their fight as a knight, Enishi makes his move on the "power of taboo"of Onimaru's Nubatama.

Saori is frustrated at the discomfort of the fight with Tokoha. Chrono clashes with all his might against Saori, who behaves conspicuously as a unit, and looks down on fights against humans as "games".

As the fight between Chrono and Saori unfolds, Kazuma gets a rematch with Onimaru. Kazuma tries his best in the fated fight between brothers, but the Onimaru in front of his eyes is no longer the "brother" from that day.

Chrono is shocked by the relationship between Kazuma and Onimaru. Kazuma challenges Shiranui, who pretends to be Onimaru himself, to settle the fight. The frightening objective of Shiranui, who took over Onimaru's body and violated the U20, comes to light.

Team Fukuhara proceeds according to Shion's strategy, and makes it to day 2 with none of the team members dropping out. However, Hayao notices Shion's plan to sacrifice himself for the team, and ignores that strategy…!

Regaining his freedom, Shion challenges Chrono at his best. The two of them fought with all they have, like the way they fought when they first met. The heat from their fight fascinates all the fighters at the stage…!

Second Stage ends, but only 3 teams can proceed. A repechage has been confirmed, but before that, Chrono and Ibuki tell the others about the Diffriders at an island in the south…

The repechage between Rummy Labyrinth with Saya and Jaime Flowers. Knowing the truth of the Diffriders, Tokoha composes herself and reaches for the ticket to the Final Stage with a fight against Saya.

Chrono and Taiyou reflect upon the past battles and head towards the Final Stage. Together with Kazuma, the Striders steel their resolves for the final battle.

Rin and Henri aims to win regardless of Diffriders being their opponents. Rin's fighting spirit reaches Verno, but Henri's fight with Saori is……

Hayao and Shion are utterly defeated by Saori and Onimaru. Shion, who overcomes any and all adversities, and Kazumi, who wishes to rebel against his fate. The fight between these two against their destinies are fiercer than ever.

The second fight of the deciding match between Striders and Jaime Flowers. Kumi, with her appreciation towards her companions, and Taiyou, with his emotions for Vanguard, are pushed to their limits.

Another face off between members of TRY3! Chrono and Tokoha renew their determination and battle against each other. With the ticket to the finals on the line, it's an all-out exchange of blows.

Kazuma suggests a special training to steel their resolutions and is invited by Chrono and Taiyou deep into the mountains. The one that they meet is none other than the strongest Shadow Paladin fighter, Yuichirou Kanzaki.

Verno challenges Tokoha to a fight on the day before the finals of the U20 Championship. During the fight where their ideals clash, Verno finds out about the identity and objective of Kazumi.

The first match of the finals of U20 Championship has Taiyou VS Verno. Can Taiyou overcome Verno's radiance with all his might in his final fight for Earth?

During the semifinal match, Saori fights with complete hatred akin to an intent to kill. Overcoming the unfeeling wall of smouldering flames, the dragon's "awakening" is achieved for the world it seeks.

Kazumi and Kazuma look back upon their forgotten childhood memories during the fight. Kazuma bets everything on the final hit to save his brother and overcome the past.

It's the final match of the U20 Championship! With the wishes entrusted upon him, Chrono envisions the memories of Shiranui, who is possessing Kazumi's body.

To grab hold of the future, and show Kazumi the Vanguard he believes in, the fight where Chrono puts his all unfolds. The answer that Shiranui receives at the end of that fight is……

The U20 Championship concludes, with Chrono and gang returning to their daily routine. However, Shiranui left behind the memories of the "master" within Kazumi.