Strange Tale of the Tenpou Era: Ghost Slayers Ayashi

In Edo-era Japan, the land is under attack from demons called Youi. A secret group of ghost slayers known as the Ayashi roam the land, seeking to destroy these creatures wherever they appear. Ryuuda Yukiatsu, a vagrant samurai, might be the next Ayashi, but will a secret from his past keep him from facing his destiny?