Ayumi goes to the abandoned schoolhouse with 8 male classmates, but soon awakens in a classroom all by herself… As she tries to ascertain her surroundings, she’s struck with a terrible headache. She encounters Makoto in the library, then Shijiro. Something is amiss. After finding the key to the principal’s…

The story is set in the world of Island. One day, mysterious machine-like creatures known as “Plantum,” whose origins are unknown even to the Source, suddenly invade. Though their appearances vary, all are covered in platinum-like shells. Nations across the world mobilize their full military forces, yet are completely defeated…

Yokai are supernatural creatures that humans have no chance of defeating. In an ancient country in the far east, lived a fox yokai who possessed tremendous power. Her name was Ibara. As a result of accidentally defeating a powerful yokai that threatened mankind, she became the guardian deity of that…