The Sequel to "I've made a lot of mistakes" Marina Iida, ex head inventor of the octarian army, is now happily living on the surface with her new family Pearl and Agent 8, away from everything she endured underground. But Mizuta Ahato is still alive. Somewhere down in the metro Agent 8 was rescued from. And Marina is determined to find her long lost friend, no matter what. Even if she has to face her past once again.
6 parts