Why bother fighting spectral foes like all the other exorcists when you can just eat them?

Straight A student Eugene Korekishi doesn’t believe in ghosts…but his classmate Mogari Shishikuno is an exorcist who swallows them whole! Mogari can’t see ghosts on his own, but once he and Eugene meet someone with the sight, there’s only one path left—form an exorcist club at school and embark on a high school life that’s anything but normal!

The gang is approached by superstud sorcerer Botan Kadenokoji, and he does not come in peace! Botan makes Mogari absorb a number of vengeful spirits into his body, spirits that latch on to the darkness lurking in Mogari’s heart and in his past…