After being tricked into signing a document by someone he considered a friend, Shin Kazama is forced to become a fighter pilot in the foreign legion of mercenaries, who are fighting in a civil war for the nation of Aslan. Hellbent on earning enough money to break his contract and return to Japan, Shin has managed to become one of the most lethal pilots at the base known as Area 88. But having spent so much time in a place where one's life is always in jeopardy, will Shin remain the same man if and when he can return to the civilian world?

The new order of ACCA will soon hold its first-anniversary celebration. To ensure every district is prepared for the festival, Jean Otus—acting as a representative for ACCA's inspection department—is called to travel across the Kingdom of Dowa and help with the arrangements. However, he feels that in times of peace, he cannot relate to his subordinate Parrot, who believes that another betrayal against Dowa is near certain. Meanwhile, work leaves Jean no time to dedicate to his little sister Lotta and the unexpected predicament she seems to be hiding from him. Their best friend, Niino, decides to involve himself and looks for a way to support Lotta. Although Jean believes that Dowa is in no immediate danger, he must ease Parrot's suspicions before the festival and wait for Lotta to open up to him on her own.

Koyama Yuzu is running an antique shop. Mayu, a cat god (nekogami), is living off Yuzu and leads an idle life playing games. Lots of other gods visit Mayu and enjoy merrymaking. (Source: ANN)

Nanyo Academy along with the other Kanto schools hold class trips to Kyoto. Old rivalries break out, between the schools, but as if that wasn't bad enough, Kyoto's fighters also show up in full force to challenge the Kanto schools' fighters. (Source: ANN)