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Intro. .High School DxD, Occult Research Club. Kuoh Serafall Academy Leviathan is a powerful pure-blooded demon and one of the Four Great Satans, with the title Leviathan, in charge of Foreign Affairs. Before obtaining her title, Serafall was the heir to the Sitri Clan. During the war against "Old Satan", he fought on the side of the Anti-Satan faction. His victory in the war granted him his title of Leviathan, which resulted in him losing his right to inherit the clan, much to the dismay of his younger sister, Sona Sitri. She is known for her childlike personality, her love of magical girl anime, and her immense power in ice magic. Affection for magical girls: She has a great interest in magical girls and often dresses in magical girl outfits, earning her the nickname " Satan Girl.

Serafall Leviathan

@Juan