Pure, curious, and kind. As a Magi, a special existence, he uses powerful Magoi and magic, and summons Ugo through his flute. Though playful, he possesses great insight, seeks to understand people, and strives to learn the truth of the world. He shares a deep friendship with Alibaba.

Kind-hearted, righteous, and possesses a strong sense of responsibility. A former royal of Balbadd and a King's Vessel who contracted with the Djinn Amon. He fights using swordsmanship and his Metal Vessel, risking himself to save others. He cherishes Aladdin and Morgiana as precious comrades.

Taciturn, calm, and fiercely loyal. A descendant of the Fanalis, she fights using her extraordinary physical strength and agility. Seeking freedom from her past shackles, she acts to protect those dear to her. She places deep trust in Alibaba and Aladdin.

Serious and polite, yet harbors deep vengefulness and internal conflict due to his family's tragedy. A prince of the Kou Empire and a King's Vessel, he contracted with the Djinn Zagan to use powers involving plants. He agonizes between his revenge and the future of the Kou Empire. He is the younger brother of Hakuren Ren.

Calm and intellectual, but harbors distrust and hatred for the world due to past tragedies. A former princess of the Musta'sim Kingdom, she possesses powers related to Dark Rukh. She acts for her own convictions, though her thoughts begin to waver after meeting Aladdin. She shares a deep bond with Isaac.

Taciturn, loyal, and serious. He possesses excellent combat abilities and serves as Dunya's retainer and protector. He values his mission and convictions, standing firmly against anyone who threatens Dunya.

Cold, cunning, and ruthless in achieving his goals. A figure associated with Al-Thamen, he seeks to throw the world's order into chaos using Dark Rukh. He manipulates the psychology and weaknesses of his opponents to advance his plans.

The confident and charismatic King of the Sindria Kingdom. A legendary Dungeon Capturer and a powerful King's Vessel who has contracted with multiple Djinns. While cheerful and sly, he is skilled in political judgment and harbors the ambition to change the world's future. He leads the Eight Generals, including Yamraiha.

An intellectual and proud magician. One of the Eight Generals of the Sindria Kingdom, she is proficient in water-based magic. She is passionate about magic research and values logic and knowledge. Though dignified and confident, she can react emotionally when teased.

The eighth princess of the Kou Empire and a King's Vessel. Contracted with the Djinn Vinea, she uses powerful water-based abilities and excellent swordsmanship. Proud, honest, and expressive, she hides a sense of loneliness and a desire for recognition. She experiences complex emotions through her meeting with Sinbad. She is not biologically related to Hakuryuu Ren, and things are awkward when they are together.