 Like the above-mentioned "Ideon" films, it is among Sanrio's first work to be aimed at young adult audience members in and outside Japan.A lamb named Chirin is devastated when his mother is killed by a wolf who raids the farm in the night.Seeking revenge, he must become like the very thing he wishes to destroy, and he must venture far beyond the safety of his childhood home and into the wilderness to seek the fearsome Wolf King.