Following the invasion, the focus shifts back to the B-Rank Rank Wars, where Tamakoma-2 (Osamu Mikumo, Yuma Kuga, and Chika Amatori) faces off against high-ranking teams like the Ikoma Unit and Oji Unit to secure a spot on the expedition force.

Morio Hatano replaced Kouji Ogawa as the series director.

The season begins immediately after the Aftokrator invasion. While Border prepares for an away mission into the Neighbors' dimension, they must first repel a specialized scouting force from Galopoula aiming to disable Border's expedition ship.

The second season of is a 12-episode anime series produced by Toei Animation that aired from January 10 to April 4, 2021 . It continues the story of the Border Defense Agency as they defend Mikado City from dimensional invaders known as Neighbors. Season Overview