Yu Sasuga: 21 books

Mankind’s final nightmare has become reality—the Terraformars have reached Earth! While the world’s governments scramble to deal with the situation, humanity’s best hope, the members of the Annex 1 expedition, are still trapped on Mars. Getting back to Earth is now not just humanity’s only hope for survival, it’s a race against time!

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?

The Frontier Spirit, a rescue ship from Earth, has finally arrived and the search team sets about trying to pick up survivors from the Annex expedition. Yet even now, secret agendas come into play and there seems to be no end to the treachery. When the truth comes out, two comrades will have to face it and each other for survival!

Where did the A.E. virus come from, and what is the secret left on Mars by Rahab? The mystery finally begins to be revealed as the last survivors make their final plans. The winners of the great war on Mars will be the ones to return to Earth, but when they do, will they be superhuman saviors or the heralds of a new age of terror? 

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!

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…

The members if Ichi Security and the SPACIALS continue their deadly fight on the artificial island in an attempt to rescue the human hostages of the Terraformars. But the human traitors' incredible technology closes in on Akari and Michelle as they make their escape. In the confusion, Hongo launches...