Meet the strongest exorcist the world’s ever known! Kiyoshi Harai is the world’s strongest exorcist—and its most awkward one! Equally afraid of fighting demons, making new friends, and talking to girls, this so-called ultimate exorcist has still got a lot to learn before he can reach his full potential! Kiyoshi might be back at school, but that doesn’t mean he’s getting a break from his work as an exorcist. When an occult-obsessed classmate shows off the demonic summoning array she and a bunch of other people made with a bit of help from someone online, Kiyoshi is shocked to discover that while it might look ridiculous, the principles behind it are dangerously real!