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, Iris and 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.