The XY series is based on the events of the Generation VI games. As with the previous three series, the XY series begins with only  Satoshi heading off to a new region with his  Pikachuu; his previous companions,  Irisand  Dent, have left the series. Satoshi's journey through the  Kalos Region begins in  Miare City, and soon he will be joined by Serena, Citron, and Eureka.