18 realms is based on the concept of using hell note in Chinese's belief which used by the believer to burn for the dead in underworld. 18 realms is about suffocation life of one's after death. This is to tell people not to do badstuff and commit crime. Different symbols represent each realms. The style is based on paper textile and design of hell paperwhich brings the identity for this book. Other than that, the illustrations arebased on the modern style by using vector art.