The day that Sakura looses her memories, a mysterious girl shows up at Yuko's shop, asking to go with the group on their journey. She also asks to have her memories of the past removed, all except the memory of her loved one, and what she knows about him. Who is she in love with? She travels with them, and using her sword Koishii (beloved), and magic, she is a strong ally to them. What will this girl do, and can she change the fate of the one she loves most?