Akari was a character from a lost media fighting called Immortal War. She was an ex thief who was blessed by the sun goddess to assist the prince and his companion against yokai.

That was at first glance as the game has souls trapped in it, including a person named Tomoko. As soon as she was freed, she had no memories of who she was but just the name Tomoko.

Despite in the care of an Eclipse Academy teacher, she still want to find out why she got trap and how to free the others, unless someone rope her into high school drama