Under the Green Flower
Following Koki's orders, Kunai is shot in order to stop the terrorist attack. With all eyes on DoRed, the organization that Kunai was a part of, SARG goes after Ran, who is the leader of the organization. After thwarting the terrorist attack, Koki explains the Vision he saw to his father Gori, but his father does not believe him. Meanwhile, the truth about the drug called "D" and the development going on in Shantytown that Kunai posted on social media, is featured on television. After seeing that, Gori takes Koki to a certain place.
Aired 10/02/2022EP 6 - Under the Green Flower

Tokyo 24th Ward
Enter the 24th Ward, a man-made island inside Tokyo Bay. Three of its inhabitants: Shuuta, Ran, and Kouki, have been best friends since childhood, but after a deadly incident, everything changed. A year later, reunited for the first time, they receive a mysterious phone call. On the other line is a familiar voice—from a friend who’s supposed to be dead. Together, they’ll have to save their home.
(Source: Funimation)
Note: The first episode was a 1-hour special.