DIGIMON ADVENTURE 20th memorial story

Tai is now a university student, living alone, working hard at school, and working every day, but with his future still undecided. Meanwhile, Matt and others continue to work on Digimon incidents and activities that help people with their partner Digimon. When an unprecedented phenomenon occurs, the DigiDestined discover that when they grow up, their relationship with their partner Digimon will come closer to an end. As a countdown timer activates on the Digivice, they realize that the more they fight with their partner Digimon, the faster their bond breaks. Will they fight for others and lose their partner? The time to choose and decide is approaching fast. There is a short time before “chosen children” will become adults. This is the last adventure of Tai and Agumon.

It's the year 2020. The Network has become something humans can no longer do without in their daily lives. But what humans don't know is that on the other side of the Network is the Digital World, a realm of light and darkness. Nor are they aware of the Digimon who live there. Widespread Network difficulties arise, centered around the Tokyo area. Traffic signals blink chaotically, public outdoor TVs display garbled text, and so on. The news reports it as a case of cyberterrorism. Fifth grader Taichi Yagami stayed home by himself to get ready for a weekend summer camp, but his mother and little sister Hikari went to Shibuya, and now they're aboard a runaway train. Taichi Hurries to Shibuya to save his mother and sister, but the instant he heads toward the station platform... a strange phenomenon befalls the DigiDestined, and Taichi goes to the Digital World! The DigiDestined meet their partner Digimon, and they're faced with an adventure into the unknown...!

It's been six years since that summer adventure when Taichi Yagami and the rest of the DigiDestined crossed over to the Digital World. And nearly three years have passed since the final battle between Hikari Yagami's group and BelialVamdemon. As the peaceful days passed by, at some point the gate to the Digital World closed. Not even the DigiDestined know what caused this, and time alone continues to pass. On one such day, a Kuwagamon suddenly appears in Odaiba. Its rampage leaves the town in ruins, and the people there in turmoil. Taichi happens to catch sight of the Kuwagamon, and he chases after it all by himself in an effort to halt its rampage. But there's nothing he can do against a Kuwagamon. "It's no use... I can't do anything about this alone..." Just as the Kuwagamon roars and attacks Taichi, his Digivice begins to emit a bright light... "Taichi, look how big you've grown!" With the sound of that nostalgic voice, the story once again begins to move in a big way.

A prologue movie released on Bandai Namco's official YouTube channels for the eventual 2020 release of the Digimon Survive game. The movie was first shown at the Anime Expo's panel "The Future of Digimon" and then later posted online.