"Makina-san, let's play."

After chanting these words and tapping the card three times, a mysterious yet beautiful vengeful spirit named Makina-san will appear.

An ordinary highschooler named Ryousuke Togawa investigates the haunting that has been troubling his best friend. In the face of the menacing spirit, he does the charm taught by his upperclassman, Nishijima. Suddenly, Nishijima herself appears from thin air, declaring she is Makina-san.