Shien is a horned person known as Onikirimaru, who hunts ogres. Yura is a horned child who just lost his parents to an ogre. In an era where ogres eat people and horned people are feared as much as ogres, Yura and Shien meet...

It's Christmas Eve, and the three protagonists have plans of sort, but things don't quite work out as expected.

Violinist Masumi Todo gave up her dreams of becoming a professional musician after failing at an international competition. Despite her disappointment, she kept playing the violin. One day she accidentally falls down a flight of stairs and finds herself lost in another world. In the midst of her confusion, she is captured, accused of espionage, and forcibly taken to the Knight Commander Arc to explain herself. Caught in a desperate situation, Masumi's destiny will be illuminated by the “violin” that has come to the other world with her… (Source: Qurie, translated)

Our hero Ryouta Arata is an otaku who's just lost his job after the dissolution of his company. Unwilling to return to his old NEET ways, he applies online to a private military security company, thinking the benefits to be promising. After what appears to be a baffling test, he's assigned to be an "operator of operators" and begins his training in a foreign country. Little does he know, the life of a private mercenary is far more grueling than he could have ever imagined! (Source: J-Novel Club)

A joint work between Kanzaka and Sorcerous Stabber Orphen creator Yoshinobu Akita. It was originally published in Dragon Magazine in March 2001, and was published in book form on June 30, 2005 accompanied by a radio drama.