Sona Sitri

Sona Sitri is the next heiress of the Sitri Clan after her older sister Serafall took the title of Leviathan. She is the youngest daughter of Lord and Lady Sitri. She is a first-year college student at Kuoh Academy, the Former President of Kuoh Academy's Student Council, and a childhood friend and rival of Rias Gremory. Her alias at Kuoh Academy is Souna Shitori, and she is the third most popular girl at the Academy, behind Rias and Akeno.