Tamakoma Second

"From now on, you are a team. With this team, you'll be promoted to Class-A, and then, will aim to be recruited to the Expeditionary Force."

- Takumi Rindō

Mikumo Unit, more commonly known as Tamakoma Second, is the B-rank #2 unit in Border. It is led by Osamu Mikumo.

B-Rank Rank Battles Arc

 * Tamakoma Second vs. Yoshizato Unit vs. Mamiya Unit: Win
 * Tamakoma Second vs. Suwa Unit vs. Arafune Unit: Win
 * Tamakoma Second vs. Suzunari First vs. Nasu Unit: Win
 * Tamakoma Second vs. Ninomiya Unit vs. Kageura Unit vs. Azuma Unit: Loss (Ninomiya Unit's victory)
 * Tamakoma Second vs. Katori Unit vs. Kakizaki Unit: Win
 * Tamakoma Second vs. Ōji Unit vs. Ikoma Unit: Win
 * Tamakoma Second vs. Kageura Unit vs. Azuma Unit vs. Suzunari First: Win

Trivia

 * Excluding Usami, all the original members' surnames have something to do with the sky. Kumo from Mikumo means "cloud", ku from Kuga can mean "sky" or be combined with 気 to mean "air", and ama from Amatori means "rain".