Momosuke Yamaoka

Momosuke begins the story originally writing children's stories but eventually becomes bored with the prospect and changes his book into a book of 100 ghost stories.

During his adventure to obtain these stories and tales of other worldly intervention Momosuke happens across a trio of people called the Ongyou and bears witness to their methods of imposing justice upon wrongdoers.

The Ongyou called Momosuke the "Author".