In the distant future on a desolated earth, a legend tells of a lost paradise, Rakuen. Hidden in some part of the world, only wolves are meant to find it. Such is the prophecy from the "Book of the moon". Wolves are meant to have been extinct for almost 200 years. Although rumours have it that some wolves survived and have taken the form of humans to avoid being hunted. This series tells the tale of 4 wolves and a girl, leaving everything to find a better place, escaping this hostile world that is shattering around them. Pursued by the police, starving, threatened by scientists, mysterious Nobles and strange creatures: one thing is certain for our young wolves, the road to Rakuen is going to be a dangerous one.