In the near future, in a world born of human imagination, what humans would call ghosts or monsters appear, and they come to be called "phantoms." Haruhiko Ichijō, is a first year at Hosea Academy along with his upperclassman Mai Kawakami, who fights phantoms with the ability "Spirit of Five Elements," Reina Izumi, who has the ability "Phantom Eater," and Koito Minase, who fights phantoms in solitude. They experience the ups and downs of high school life before a certain incident leads them to the truth of this world.
Episode 1
Clumsy Haruhiko and violent Mai need more people on their Phantom-fighting team. They meet a Phantom Eater, Reina.
Episode 2
The team sets out to deal with security robots turned Phantom. But it turns out that Minase Koito was already there, fighting the haywire robots with her beautiful voice.
Episode 3
A pair of Phantoms terrify people as they try to cross a bridge. The team goes to investigate, and Mai begins to remember something odd about the place.
Episode 4
After a huge victory feast with the team, Reina vanishes on a mysterious bus, hypnotized.
Episode 5
A vicious Phantom attacks the rabbit hutch at school. Koito is tasked with hunting it down, but she hurts her throat, shutting down her abilities.
Episode 6
Kumamakura Kurumi sucks Haruhiko and the gang into a fantasy world inside her own mind, filled with talking bears and giant mushrooms.
Episode 7
The team investigates the spontaneous cat-ification of the school's students.
Episode 8
Hosea Academy is invaded by a band of pervy hot spring monkeys.
Episode 9
The team gets recruited to perform in a play about a Phantom in medieval Japan. As they're rehearsing, Koito notices the presence of a real Phantom nearby.
Episode 10
A witch Phantom grants Ruru's wish to become human. She gets her wish, but...
Episode 11
Haruhiko returns to his childhood -- literally -- and he doesn't remember ever being any older.
Episode 12
Reports abound of a Phantom attacking students and taking their special abilities. Meanwhile, Haruhiko is reunited with his mother.
Episode 13
Enigma storms the Alayashiki research facility.
