Chisato Hasegawa, Shinmai Maou no Keiyakusha Wiki

Chisato Hasegawa (長谷川 千里, Hasegawa Chisato), whose real name was later revealed to be Afureia in Volume IV, is one of the main female protagonists. She is known as Hijirigasaka Academy's "all too beautiful" school nurse and a former high-ranking god amongst the Ten Gods of the Divine Realm. Chisato is also the younger cousin of Raphaeline, making her the first cousin once removed of Basara Toujou. At first, she acted as a mentor for Basara for several issues in his life when he's protecting Mio

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