Cardfight!! Vanguard Dear Days serves as a digital simulation of the official trading card game (TCG), focusing primarily on the "Standard" format introduced in the overDress era. It offers an automated way to play without physical cards, featuring over 1,000 cards in its base version and expanding significantly through paid downloadable content (DLC).

The game features an original storyline centered on a new protagonist, .

: Yuki becomes determined to revive a legendary Vanguard team called "Setsugetsuka" and faces off against formidable opponents across the world of overDress .

: Yuki is a high-achieving, strong-willed student who discovers her brother, Rasen, secretly playing Vanguard.

: The story includes cameos and appearances from anime favorites like Yu-yu Kondo, Danji Momoyama, and Tohya Ebata, featuring brand-new character artwork. Core Gameplay Mechanics