August von Earlshide
アウグスト フォン アールスハイド
Tentang
August von Earlshide is the crown prince of the Earlshide Kingdom and Shin's closest friend. The two had a cousin-like relationship because of Gus' father, Diseum, who frequently visited Shin's grandfather, Merlin. (Source: Kenja no Mago Wikia)