Kusakabe Squad

Kusakabe Unit (草壁隊) is the A-rank #4 unit in Border. It is led by Saki Kusakabe

Emblem
The unit's emblem consists of a rooster with a dragon head in front of what appears to be a circle of fire or a laurel wreath.

B-Rank Rank Battles Arc
Sometime during the B-rank battles, Kusakabe Unit, along with Katagiri Unit, was a task on recruiting new members in other prefectures.

Later, they return from the recruiting mission, and Osamu has a chance to talk to Satomi while Yūma meets with Yuba. Later, he is seen walking away with Saeki and Uno.

Trivia

 * Kusakabe Unit is currently the only known unit led by an Operator.
 * Their emblem is probably a reference to the myth of the, which is alternatively represented as a rooster with a dragon's head or as a giant snake, or the , which is commonly represented as a snake with a rooster's head, but also as a rooster with a snake's head.
 * Given that Midorikawa joined Border one year ago, that likely means that Kusakabe Unit reached the top of B-Ranks in one to two Rank Wars after forming, or at least after Midorikawa joined, and then reached Rank 4 of A Rank before December.  Since there are only three Rank Wars a year, that means after joining Border, Kusakabe Unit beat out Everyone else in one or two seasons, likely one, as A-Rank Wars would be harder to rise up in and yet they took the fourth spot, meaning they spent a single Rank War in B-Rank, and two in A-Rank, at least for Midorikawa if not Kusakabe unit as a whole.