: A Japanese-American test pilot for the US Army. He initially harbors deep resentment toward his Japanese heritage and is driven to prove himself as a "perfect American".

: In 1973, Earth was invaded by the BETA (Beings of Extra-Terrestrial origin which are Adversary of human race). By 2001, humanity has lost most of Eurasia and is fighting a desperate defensive war.

The "Total Eclipse" story has been adapted across several mediums: Muv-Luv Alternative: Total Eclipse Game Review/Analysis

: Known as the "Scarlet Twins," they are elite Soviet test pilots for the "Idar" project. They share a mysterious and intense mental bond that makes them formidable in the cockpit. Key Media Formats

is a sci-fi action spin-off of the renowned Muv-Luv visual novel trilogy. Set in an alternate 2001 where humanity is on the brink of extinction due to an alien invasion by the BETA, the story shifts focus from the main trilogy's frontline combat to the international development and testing of the "humanoid" weapons used to fight them: Tactical Surface Fighters (TSFs). Core Premise & Setting

: The story centers on Project PROMINENCE , a UN-led international initiative based at the Yukon Base in Alaska. Pilots and engineers from around the globe gather here to develop the next generation of TSFs to turn the tide of the war. Main Characters

: A Japanese Imperial Royal Guard officer and the project supervisor. Her rigid adherence to honor and duty initially clashes with Yuuya’s cynical worldview.