Frozen Teardrop is set during the Mars Century, the era that has succeeded the After Colony era, on the terraformed Mars. Since the formation of the young Mars Colony and its government, trouble has been brewing within it with the assassination of its President, Milliardo Peacecraft. In the present day, ESUN President Dorothy T. Catalonia authorizes the beginning of "Operation Mythos" to resolve the problems on Mars - which primarily involves the assassination of Relena Peacecraft.... more>>

Concurrent to the events of Mars Century are flashbacks during After Colony, told through Preventer agent Kathy Po, the daughter of Sally Po. The flashbacks detail events in After Colony leading up to the events of the series, including the origins and backgrounds of OZ Leader Treize Khushrenada and Gundam pilot Heero Yuy. <<less

The story revolves around Charles Karino, a Levaamu Empire mercenary aerial pilot who mans the twin seater reconnaissance seaplane Santa Cruz. One day, he receives a preposterous assignment: to fly solo over 12,000 kilometers of enemy waters to protect a girl named Fana del Moral. Fana happens to be the next in line to the empire’s throne and a girl possessing beauty “equal to 5,000 beams of light.” ... more>>

This is a standalone book, but there are 17 total books in this universe (飛空士).

Adapted to anime as “The Princess and the Pilot” <<less

Asaba Naoyuki is an ordinary junior high school student. As a member of his school's press club, he's just spent the summer camping outside the... more>> local military base, in hopes of seeing the UFOs that are secretly kept there, according to local legend. Returning to school, he meets a strange girl, Iriya Kana, and gradually comes to realize that she is more than merely strange - and that a dark secret lies beneath the world that he knows. <<less

In the world of the near future, an epic war rages between the Earth Federation and the rebel space colonies that call themselves the Principality... more>> of Zeon. The most fearsome weapons of this new era are the robotic vehicles known as mobile suits, armored giants with the firepower of battleships. The Federation has pinned its hopes for victory on its advanced mobile suit prototypes, but when a young cadet named Amuro Ray becomes the pilot of the mobile suit Gundam, he discovers that machines alone will not be the decisive factor in the conflict. For a new stage of human evolution is dawning, and the future - if humanity has a future - may well belong to the Newtypes... <<less

The Pillars suddenly appeared above Earth, threatening all life. A god who called himself Odin came to the aid of humanity as it was driven to near complete defeat. To counter the Pillars, Odin declared a counterattack by bequeathing humanity with the battle maidens Walküres and the “herocraft” as their wings.... more>>

Several years later, the battle between humanity and Pillars rages on, with men supporting the Walküres as they soar through the treacherous skies to save the world.

Japan is no exception. Three Walküres confront the giant Pillar looming over sacred Mt. Fuji. Each Walküre is skilled, but each also has issues. And now, an ace pilot has arrived from Europe.

“Now is the time to fight back, humanity. The day of reckoning has arrived. The time of Ragnarok draws nears.” <<less