Bem, Bela, and Belo find themselves in a new town troubled by a string of enigmatic, unresolved incidents. They soon realize these are the work of a youkai more formidable than any they have faced before. The narrative also delves into Belo’s experience of falling in love for the first time and his growing wish to transform into a human. Meanwhile, Bem and Bela have discovered a method to achieve humanity but are torn between allowing only Belo to undergo the transformation or joining him in becoming human themselves.