俺のポンコツな犬はフェンリル

Rayne, a mysterious beast tamer raised in the mountains, returns to civilization with his scruffy stray dog, Max. When he reunites with Elena—the girl he promised to marry fourteen years ago—he discovers she is now engaged to a powerful nobleman. As the Barbarians threaten her city, Rayne must uncover his true identity, awaken Max’s hidden power, and protect the woman he never stopped loving.