It’s incredible to learn 艶七, it’s strange!

Kumi is invited by her classmates, Mari and Reina, and starts playing Kokkuri-san casually, but what Kumi and her friends have summoned is an evil spirit that devours people's spirits! The evil spirit uses Mari and Kumi's bodies to try to absorb their spirit and opens their bodies to men one after another. Kumi feels an indescribable fear as she unconsciously wanders around in search of a man, and seeks help from Mia Tsunoda, a genius medium from the school's famous club, the Super Psychic Research Club.