Five hundred years have passed since humanity went extinct at the hands of the fearsome "Beasts." Even up in the sky, where the surviving races dwell on floating islands, these monstrosities constantly threaten to bring death and destruction. Only a small group of young girls, the Leprechauns, can wield the ancient weapons needed to defeat these creatures. Into the girls' unstable and fleeting lives, where a call to certain death could come at any moment, enters an unlikely character: a young man who lost everything five hundred years ago, the last living human awakened from a long, icy slumber...

In a world torn apart by war and ruled by intelligence, Lily-code name Flower Garden-is determined to become a master spy and help bring peace to the nation. So, when she’s offered to join an elite squad that takes on Impossible Missions with 90 percent mortality rates, she’s ecstatic…until she finds out that said “elite squad” is made up entirely of spy academy washouts, like her. But each and every one of them has the potential to change the world, and under the tutelage of master spy Klaus, it’s time for them to bloom! (Source: Yen Press)

The only path to survival is deceit. The "War of Light" is over, giving rise to the modern-day information war waged by spies, or the "War of Shadows." Evil is always lurking just around the corner. (Source: Yen Press)

The master spy Klaus, who boasts a 100 percent mission success rate despite being difficult to work with, has formed the new spy team Lamplight with eight women as his new teammates! Together, no mission is too difficult—or too heinous! (Source: Yen Press)

Hidden is a scout who joined the hero's party to defeat the Demon King. But the hero, Ashram, and his party members did not know anything about the fundraising, the spies sent by the Demon King, or the assassins sent by the rebels. Deciding to support from behind the scenes, he took on all of the dirty work for them. But his party members did not know about what he had done for them, and ended up casting him out of the party... With nowhere else to go, Hidden headed toward the dark guild. [Original Web Novel](https://ncode.syosetu.com/n1331hg/)