"Until Miko met Yuria, the pretend-not-to-see ghosts plan seemed like the best course of action. But the new substitute teacher is that creepy guy from the park--the one haunted by a bunch of ghost cats. It can't be a coincidence that Hana's life aura starts draining whenever he's in the room. Can Miko really leave her best friend to fend for herself against enemies she can't see?"--Back cover.