Hero: 108 (2010)

S01E19 Dog Castle

First Squad embarks on a mission to the icy regions to negotiate peace with the Dog King. Meanwhile, Mighty Ray assists dentist Wu Sung in his quest to locate his estranged brother. As they delve deeper into their mission, First Squad uncovers a surprising truth: the Dog King is actually a human who was raised by dogs, adding an unexpected twist to their efforts for harmony in the kingdom.