Fuuma ninja clan is a secret ninja tribe that is waiting for the "Orochi" (gigantic snake) to resurrect for generations. Shirasu and his twin brother Ichiu grew up in this viscous environment and this tells how they become the leaders of the clan. (Source: Amazon Prime Video)

It is the year 2017, and Europe is being invaded by the forces of the Holy Britannian Empire. In an attempt to combat the opposition's overwhelming pressure and put an end to the massive casualties, the army forms a special unit called Wyvern, or W-0, composed of former Japanese citizens referred to as "Elevens." Recruited from ghettos, these young men and women pilot Knightmare frames—humanoid war machines—into dangerous operations where death awaits, hoping to make a name for themselves.

When a European regiment attempting to recapture a crucial city is pinned down by the enemy, it's up to W-0 to bail them out. Among those selected for the rescue operation is Lieutenant Akito Hyuuga, known as "Hannibal's Ghost" due to his prowess on the battlefield. However, the supposed rescue mission becomes suicidal when, in an attempt to take out as many Britannians as possible, the commanding officer initiates the Knightmare's self-destruct sequence. In its aftermath, Akito finds that he is the last one standing…

[Written by MAL Rewrite]

Ryo Saeba is the top "City Hunter" around and he takes on cases with his partner Kaori. A model named Ai Shindo has been attacked and hires him to be her bodyguard. Shinji Mikuni, the president of an IT company that has hired Ai for its ad campaign, turns out to be an old friend of Kaori, and they become involved. Meanwhile, mercenaries are gathering in Shinjuku... and a major arms dealer arrives in Japan with a new weapon, but with Mikuni in the picture, Ryo and Kaori are growing apart...

(Source: Official Website)

The protagonist of the story, Konoha Inoue, is a seemingly normal senior high 2nd year student. His high school life, other than a hinted incident 2 years ago, can be summed up as normal- if one can dismiss the secret fact that he used to be a female bestselling romance author. Due to that incident, however, he has now vowed never to write again. This continued on until he was forced to join the literary club by the literary club president, the 3rd year female student Amano Tooko, a beautiful girl who has a taste for eating literary works. Now he has been tasked with writing her snack every day after school.