Adventurers kill, loot, and most importantly, venture beyond the wintry village Ayko's been confined to since birth. Refusing to give up hope that he and his twin brother, Elies, may one day leave and never return, his dreams near reality when an aging adventurer named Yarrow gives him a way out. Unbeknownst to Ayko, however, this out is not what it seems and neither is Yarrow, who hides a mysterious and, possibly, dark past.