S1.E4 ∙ Demon-Deceiving Chapter, Part 4

Thirty-three years ago, an alien force known as the "JAM" invaded Earth through a dimensional portal over Antarctica. Earth's forces managed to drive the JAM away to a distant planet designated as "Fairy". While the majority of Earth's population is unaware of the JAM's presence, the war continues on Fairy, where Rei Fukai is an SAF (Special Air Force) pilot assigned to pilot "Yukikaze"-an advanced reconnaissance fighter plane equipped with a near-sentient A.I. that detects the presence of the JAM within its path.

Ryza is an ordinary girl. Tired of boring village life, she escapes the village to gather with her good friends in a secret location to talk of their dreams and plan thrilling adventures. One day, the determined Ryza and company decide to head for the forbidden "island across the shore" as their first exploration trip. Together with the alchemist and other friends they meet there, they have a "summer adventure" that they will never forget.

In the land of Terra, natural disasters of unknown causes have been occurring irregularly in many areas. Therefore, the majority of the people, in order to escape those natural disasters, came to live in mobile cities developed over the years. The Originium left behind at the site of such Catastrophes, has led to the rapid progress of civilization due to their immense energy. But it also brought something else with it - an incurable disease called Oripathy. Because the bodies of those with Oripathy gradually crystallize and become a new source of infection at the time of death, in many countries, the Infected are subject to persecution under regimes of segregation and forced labor. Those who were oppressed by the governments are starting to rebel. Rhodes Island, a pharmaceutical company researching a cure for Oripathy, takes up their arms and starts a conquest trying to save all the people from the disease.

A young man's rebel against authorities on a future version of Earth, after he has been recruited into an interplanetary military unit that suffers a 70% casualty rate.

Suddenly finding himself in the Sengoku era, regular high school student Yoshiharu Sagara is about to be killed in the battlefield.