国際コンクールでの失敗によりプロを諦めたヴァイオリニスト藤堂真澄。失意の中でもヴァイオリンを捨てきれずにいた彼女だったが、ある日突然階段から転落すると異世界に迷い込んでしまう。混乱の最中、スパイ容疑を掛けられ連行された先で騎士団長アークに弁明を迫られる。絶体絶命の状況下で、真澄の運命に光明を授けたのは共に異世界へとやってきた“ヴァイオリン”だった――。
Violinist Masumi Todo gave up her professional career after failing in an international competition. Despite her disappointment, she is unable to give up the violin, but one day she suddenly falls down a flight of stairs and is lost in another world. In the midst of the confusion, she is accused of espionage and taken to a place where she is forced to explain herself to the Knight Commander Arc. In a situation of absolute desperation, Masumi’s destiny is illuminated by a “violin” that has come to the other world with her.