It's Tenkai Time

It's Tenkai Time is a paperback by Brandon T Snider. It was published on September 25, 2014.

Official Description
Meet the Tenkai Knights!

In this introduction to the Tenkai Knights, readers can start to learn about the main characters in the series. Guren meets Ceylan for the first time, and the two share a mysterious dream—could this be the beginning of an unbreakable friendship?