Junko Hattori

Junko Hattori is the secondary protagonist. She is a student and class representative of class 1-A.

Plot
She meets Akuto on the train to the school, and forms a pact with him to make the world a better place. When she discovers that he is destined to become Demon King, she decides that it is in the best interest of society to destroy him, believing that he knew about his destiny and that he tricked her into becoming friends. She usually misinterprets his attempts at good deeds and intentions as evil wrongdoings. She begins to develop strong feelings for Akuto throughout the series after realizing his intentions, and at one point didn't mind the thought of being married to him. Her power is mostly based around the sword that she carries with her at all times. According to Kena Soga, Junko is Akuto's best friend, and according to Korone, Junko and Akuto should get married.