The official Toei Animation has released new information about Digimon Adventure tri . Fans can check out new trailers. Therefore, the new anime is a continuation of the 1999 classic.
AIM (Ai Maeda) also returns with the ending theme song from the first part, “I wish,” while Ayumi Miyazaki also makes a cameo with the song “Brave Heart” during the episode. All three songs are remakes of the original songs from the 1999 Digimon Adventure series.
Finally, Digimon Adventure Tri pays homage to its 15th anniversary by being divided into 6 parts. Furthermore, the Blu-ray of the first part of the films will be released on November 21, 2015 in Japan.
Source: Toei