Nagisa Akatsuki

Nagisa Akatsuki (暁 凪沙(あかつき なぎさ), Akatsuki Nagisa) is the daughter of Gajou Akatsuki and Mimori Akatsuki, the younger sister of Kojou Akatsuki and a childhood friend of Yuuma Tokoyogi who attends Saikai Academy where she is good friends with Yukina Himeragi and Kanon Kanase, who are all in the same Class 3-C.