Keiko Namikawa is a young teenage girl who's parents are constantly working overseas, because of this she is often dropped from family member to family member. In 2011, she is left with her Uncle Dojima in the quiet rural town of Inaba, it's here where she finds herself wrapped up in a supernatural murder mystery.

A re-imagining of Persona 3 where both protagonists co-exist as brother and sister who find themselves involved in a strange situation when they join SEES and discover the secrets of the Dark Hour all while balancing their school life.