Ringing Bell

Chirin is an innocent though adventurous young lamb whose carefree life on the farm comes to an abrupt end when a wolf murders his mother. Confused and angry, Chirin pursues the wolf into the mountains, seeking revenge. The laws of nature are brutal, however, and hatred alone won`t be enough to avenge the loss of his mother. Only the strong survive in the wild, and obtaining that strength may change Chirin forever. Source: crunchyroll