Prequel: Blue Seed
A sudden Aragami attack in San Francisco and at the TAC headquarters proves that the monsters are still active. Now, the TAC must travel to the United States to solve the mystery of the Aragami’s reemergence. And end the threat once and for all.
Alternative Titles: Blue Seed Beyond, Blue Seed 2: Operation Mitama, Blue Seed OVA, ブルーシード 2