Here is an overview of the game, via its English official website:

System

Fans of card games everywhere, rejoice—the definitive edition of Cardfight!! Vanguard‘s digital game is here!

Weave hopes through fiery fights and stand up as a new vanguard!

• Don’t Miss the Ultimate Cardfight Experience – The definitive edition of Cardfight!! Vanguard‘s digital game! Featuring over 1000 cards and Standard rules! Enjoy the intense fights with dynamic effects! Enjoy your Vanguard fight!
• Playable Alone at Your Own Pace – An all-new original story awaits! An easy-to-follow tutorial designed for both new and returning cardfighters!
• Play Online with Anyone, Anytime – With in-game and online deck recipes, building decks is a breeze! You can also test your might in online matches! Play with your friends or challenge fighters around the world!

Story

• An All-New Original Story – An all-new original story unfolds in the world of Vanguard overDress! Featuring characters designed by Akira Ito!
• overDress Characters are Also Available – Your favorite overDress characters, including Yu-yu, Danji, and Tohya, also make a return with brand-new character art!

Introduction

Yuki Ichidoji is a strong-willed and honest girl who excels in both academics and athletics—the polar opposite of her meek, mild-mannered brother, Rasen.

After tailing her brother one day, she stumbles upon him secretly enjoying Vanguard…

Soon, Yuki finds herself drawn into the world of Vanguard.

In hopes of reviving the legendary team Setsugetsuka that was founded by Gosetsu Katsushika, she faces off against fighters from formidable teams!

In the midst of it all, she receives a fight invitation from Kanji Meguro, president of the national card shop chain Berserk…

Characters

• Yuki Ichidoji (voiced by Yuka Nishio) – A second-year high school student at Omi Academy. She is a strong-willed and honest girl who excels in both academics and athletics. After tailing her brother one day, she stumbles into the world of Vanguard.
• Rasen Ichidoji (voiced by Marina Inoue) – A third-year middle school student at Omi Academy. He has a mild-mannered personality and is the polar opposite of his sister. Nevertheless, he possesses an unbreakable spirit. He gradually awakens to his hidden talent for Vanguard.
• Gosetsu Katsushika (voiced by Taiten Kusunoki) – The owner of the card shop Osen. Thanks to his caring spirit and love for Vanguard, his store has achieved widespread popularity. Long ago, he led the largest team in the region.
• Kanji Meguro (voiced by Show Hayami) – President of Berserk, a national card shop chain. His overwhelming charisma commands respect from everyone around him.
• Yu-yu Kondo (voiced by Shouta Aoi) – A third-year middle schooler from Kanazawa, Kaga. After joining the night amusement park crew, he became captivated by the world of Vanguard. While he is highly intuitive and considerate, he is often troubled by his inability to say no.
• Danji Momoyama (voiced by Yuki Ono) – A Vanguard legend who once led Team Blackout. He was a pillar of the night amusement park crew but now chooses to keep his distance. Others find him hard to read, as nobody can tell whether he is joking around or being serious.
• Tohya Ebata (voiced by Yuma Uchida) – The leader of Team Blackout. A skilled fighter who was dubbed a rising star for his success in official tournaments. He then disappeared from the scene, before later returning to prominence in unofficial circles.

Watch a new Japanese TV commercial below.