Previously a king of Ding Dong Dell. After the death of his father, he was crowned as king. He’s bright and kindhearted, but due to his withdrawn personality, people doubted he’d make a good king. It wasn’t long until he was chased out of Ding Dong Dell following a coup d’état. After being separated from Alfini, who was both a mother and sister figure to Evan, he decides on becoming a king. In his adventure, the young king declares that he’ll unify Ni no Kuni, and builds his own kingdom.
Article source: https://www.technobuffalo.com/2017/02/10/ni-no-kuni-ii-character-biographies-wait-the-protagonist-is-a-dude/