|Hometown||Meguro Ward, Tokyo|
|Manga Debut||Line 45; Corvus Corax|
Mana Sumimori (住森 真奈 Sumimori Mana ) is one of of Mayu Sumimori's older sisters.
Mana is the first child born to Katsuki and Saki Sumimori. Her younger sisters are Kaori, Mayu and Mio. When Mayu got her job at the CCC, Katsuki, Saki, and Mara were told that Mayu would only do clerical work at a trading company when in reality, she was working for an organization aiming to exterminate devils from the world. Currently, Mana lives with her in Tokyo.
Mana is noted to a very beautiful young woman with fair skin, pronounced lips, and a slim build. Mana takes after both of her parents, she has hair from her father and facial traits from her mother. Her medium-colored hair is slightly wavy and about shoulder-length, with middle-parted bangs and long locks framing her face. She has light-colored eyes and long eyelashes.