Rika Kagami is in her 2nd year of middle school. She is 13 years old. One day her parents died because of these un-expected murders. Rika was only 10 at that moment. She wanted to do something about it but she was too scared. For the past 3 years shes been living her life perfectly fine, still thinking about her parents. She has a older sister names Yuki Kagami, so Rika isn't that lonely. But one day Rika had a weird dream about a big giant monster also known as "witches" or "creatures" chasing after her. When suddenly a blue haired girl came to save her. unexpectedly that blue haired girl looked exactly the same as Rika's new transfer student, Kyoko Hori. Rika's friends are always there for her. Her best friend Naomi Akagi does everything with Rika. Even if it means risking both their lives. Rika also meets these new people in her 2nd year, she also finds this cat named "Kiso". Slowing after meeting Kiso, everything in Rika's life starts changing.