Gyokukou Joutei (ギョクコウジョウテイ, Gyokukō Jōtei)? is a Persona in the series.
Known as the Jade Emperor, who has many names such as "Yu Huang Shangdi" （玉皇上帝） or "Tiān Gōng" （天公). It is said that he was originally the prince of the kingdom of Pure Felicity and Majestic Heavenly Lights and Ornaments (光明妙楽国). When he entered heaven, he became the ruler there. He is said to be below the Three Pure Ones in Taoism, and in other accounts he is the Supreme Being in Taoism after the Song Dynasty ended.