Regi Nets is a private investigator working in Lumiose city. After helping a Kirlia out, he finds himself being drawn, inescapably, into events beyond his understanding.

In the region of Kalos was a certain pokemon researcher. His research was focused on the social dynamics of the Ralts evolutionary line. However, what began as a simple research expedition soon grew to him Learning to understand just what it meant to understand the heart of another.