Nagai and the group pursue the Americans and Tosaki. Izumi manages to catch up with them and ultimately rescue Tosaki. Unfortunately, this means they missed their window to catch Sato.

Tosaki manages to get his team allowed into the building where Sato’s next target is. Just as the clock ticks closer, a truck rushes in and sets off an E.M.P….

Ajin are humans that cannot die. Seventeen years ago, they first appeared on a battlefield in Africa. From then on, more of their kind are discovered within the human society….

Nagai and the group return after being defeated by Sato. Nagai struggles to deal with his failures. Sato continues towards his third and final wave, an Ajin run Japan. Tosaki…

Unrest begins as Satō-san releases a chemical weapon onto the population. People begin trying to attack the families of Ajin. Nagai saves his sister with the assistance of Kaito. Nagai…

People from Satō’s group desert and make contact with Nagai. The US plans on releasing the chemical weapons on Satō in the sewers. Tosaki is called and asked for assistance,…

Kei continues his training. Tosaki attempts to get the Minitser’s schedule. The Minister refuses, which leads Tosaki to attempt to steal it. However, the American investigators interfere.

Tosaki has been captured. Izumi rushes back to the hideout and insists they rescue him. Initially refusing, Nagai ultimately leads a team to rescue Tosaki from the Americans.

Kei and Ko train their bodies and begin to develop strategies to fight Tosaki. Kei spends time talking about his IBM with Ogura, realizing Kei’s ghost is an extreme abnormality….

With the country all online assisted Tozaki employs a new tactic to deter Sato. Kei loses its disguise.

Sato starts killing people in the lab. Kei tries to stop him and discovers that Ajin has a weak spot.

Sato prepares to attack. Ko discovers the hideout of Kei and begs for help. Tosaki gets a surprise visit.