As peace returns the surface, the villainous Blood Rain quietly begins preparations for their ultimate plan. Iko does what she can from the shadows to stall them, but her attempt to keep herself and Ethan out of enemy hands goes awry, and Kara is powerless to help. With the true face of the mastermind revealed, the final battle for humanity's freedom is approaching—but are the siblings ready to face it? FINAL VOLUME!

Volume 4 of the Re:Anima manga series by Yoshinori Matsuoka.