Pursued by Division 4, Akari and Michelle encounter a Terraformar with bullet ant characteristics. Realizing this creature has stolen her deceased father’s strength, Michelle stands her ground alongside Akari. The two will be pushed beyond their limits in this fight, but even more formidable opponents are lining up to fight them, and their human enemies are still out there as well... -- VIZ Media

Thailand, twenty years after the ill-fated Bugs 2 mission. Two American U-NASA agents arrive to find Akari Hizamaru, a “child born after the procedure,” and recruit him for Annex 1, a new mission to Mars. The purpose of Annex 1 is to research the origins of a new disease that is ravaging the earth. But the reasons why U-NASA would need the incredible powers that Hizamaru possesses are still a closely guarded secret. Once again, humanity launches an expedition to Mars that has frightening implications for the future. -- VIZ Media

After humanity’s first manned mission to the Red Planet was lost, a second expedition arrives. The explorers prepare to exterminate the cockroaches that were used to transform the Martian environment, but are shocked to discover that the insects have mutated into giant, aggressive humanoids with one overriding goal—exterminate the humans! However, this crew of explorers has each undergone the “Bugs Procedure,” terrifying experimental surgery designed to make them more than human... -- VIZ Media

As Ivan closes in on the alien leader, the Invoker, the Terraformar army attacks in full force. Elsewhere, Shokichi and Akari square off in a final confrontation to settle things between them. Now the fate and pride of the human race rests on the shoulders of those who have sacrificed their own humanity to be its defenders. When faced with an unimaginable enemy, what will they do if their inhuman strength can’t save them? -- VIZ Media

A year has passed since the survivors of the Annex mission to Mars returned to Earth. But the war with the Terraformars is far from over! The struggle continues in secret, deep beneath the streets of Tokyo. Akari, now working for a private security firm, looks for dangerous new ways to seek out and destroy the Terraformars before the world is overwhelmed by the alien cockroaches from Mars! -- VIZ Media

Shocked by the actions of the Terraformars hiding on Earth, Akari and the members of Ichi Security are more determined than ever to root them out. Tracking down leads points them to an unexpected hideout and the true identity of the enemy mastermind. The forces opposing them now may be more than they can handle on their own... -- VIZ Media

Akari and Eva have gathered a handful of survivors to stand against the swarm of approaching Terraformars and the Kuzuryu’s attacks from the sky! The crew of the shattered Annex expedition have only one chance to reach the rendezvous point on the coast and a potential rescue, but who is there waiting to pick them up? -- VIZ Media