Throughout the passage of time and the shifts in backgrounds, a particular war continues to leave its mark on history, extending its influence into the modern world. There are two major groups involved in the ensuring war. The first group consists of monsters known as Chiropterans who can change their appearances into that of human beings. They are actually immortals who feed on the blood of the living. The second group is an organization known as the "Red Shield", formed to track down these monsters and exterminate them. Otonashi Saya is a high-school girl who lives a peaceful life with her family. The only problem is, she has no recollections of her life beyond that of the past year. However, her happy life will be destroyed by an event that will lead her to her destined fate. Through her destined fate Otonashi Saya obtain her first sword known as the Nihonto but it was broken by Amshel. However she acquires a new sword from David with a red crystal at the base of its blade known as the Bloodied sword. Swordsswords brings to you this collection of her two swords so you can join her in battling the evils.