Sion Ogura is a character of the series The Demon Girl Next Door. She is a friend of Yuko Yoshida and Anri Sata. Shion is a member of Sakuragaoka High School's Black Magic Research club. Sion is a genius, seeing as she researches what seems to be black magic and is a mad scientist. She is very enthusiastic about the research, and has collected various information about it. She has shown massive interest for Yuko, due to her being the heiress of the Dark clan. Although she is very smart and gets good grades, she apparently lacks ethical knowledge.