“I’m feeling headache….” Milles regains her consciousness deep inside the forest. Yes, she’s lost all her memories. “Who am I? Why am I here?” She doesn’t remember anything, but she starts walking…. When she arrives at a small town in Shunabu, she meets Cadia, a bounty hunter. They become friends soon and Cadia decides to accept Milles as her partner. At the same time, Regina, a princess of Shunabu, plans to make a getaway for Sadin, who is going to be served as a sacrifice. When Regina looks for someone to help her, she meets Milles and Cadia. Cadia is surprised to know a Regina’s plan, but she is excited to help her. Milles also decides to help her. Recurring memories as a result of oblivion…. When the existence of Milles is proven, a story starts….