Guin Saga (2009)
Original title: グイン・サーガ
Guin Saga is a 2009 Japanese-language sci-fi & fantasy series created by Kaoru Kurimoto. It stars Tsubasa Yonaga, Shintaro Asanuma and Kenyu Horiuchi.
"The seal will be broken after many years". In the land of Nospherus, four heroes embark on a patch of destiny that will weave a new legend. The story follows Guin, a powerful swordsman with a leopard head, the adolescent royal twins Remus and Rinda, and the young and ambitious mercenary named Istvan.