Sorry for my familiar

"Patty, Norman, and Lasanil have traveled to the Dragon Bone Islands in search of Patty's dad, but instead of finding him they bump into a figure from Norman's past! Otto is an old military buddy of Norman's from the Human World...and he absolutely hates devils. But when Patty and the others end up stuck in a haunted village, human and devil alike must work together to escape"--Back cover.