Fight!! Iczer-1 ACT.II: Iczer Sigma's Challenge

In Act 2, a Cthuwulf fortress arrives on Earth. Nagisa begriends a young girl while Iczer-One investigates the alien fortress. Iczer-One becomes trapped in subspace and Nagisa is forced to protect the young girl from the parasitic monsters. Iczer-One escapes only to face the challenge of a new enemy, her "sister" Iczer-Two!