Lime-Colored Exotic War Story) is a game series developed and published by ELF Corporation.

The story was adapted to a 13-episode anime that aired in Japan between January 5 and March 30, 2003.

A PlayStation 2 version titled Lime-Iro Senkitan Jun (らいむいろ戦奇譚☆純) was announced on July 21, 2003, at the Tokyo Character Show[2] and was published by Kadokawa Shoten on March 25, 2004.

[3] The story takes place in 1904 (37th year of the Meiji Era) during the Russo-Japanese War in which former Japanese diplomat, Shintaro Umakai, becomes the teacher of a secret group of teenage girls, the Lime Unit, who are based on the flying battleship Amanohara.

The girl's Konjiki (supernatural powers) enables them to operate unmanned mecha named Lime against Russian Lime units led by Grigori Rasputin who often attack the Amanohara while it is travelling towards Port Arthur for the final battle.