|Yūichi Jin and Arashiyama Unit vs. Border Headquarters Elite Teams|
Yūichi Jin and Arashiyama Unit vs. Border Headquarters Elite Teams
|Arc||Black Trigger Capture Arc|
|Previous||Yūma Kuga vs. Miwa Unit|
|Next||Border Member Official Enlistment Day|
Yūichi Jin and Arashiyama Unit vs. Border Headquarters Elite Teams is a fight between Border agents, Yūichi Jin and Arashiyama Unit Versus Tachikawa Unit (except Yuiga), Kazama Unit, Fuyushima Unit (except Fuyushima) and Miwa Unit.
Masamune Kido had ordered HQ top teams to get rid of Yūma and take his Black Trigger after Miwa Unit's failure. On their way to Tamakoma Branch, they face Jin, who refused to let them through. Before a battle ensues, Arashiyama Unit joins Jin's side.
|Introduction Arc||First Large-Scale Invasion • Rad Infestation|
|Black Trigger Capture Arc|
|Border Enlistment Arc||Border Member Official Enlistment Day|
|Large-Scale Invasion Arc||Aftokrator's Invasion|
|B-Class Rank Battles Arc||Galopoula's Invasion|