青の祓魔師 [Ao no Ekusoshisuto / Blue Exorcist] #20

Volume 20 of the Blue Exorcist manga series, originally published in Japan by Shueisha under the Jump Comics imprint on October 4, 2017. This installment continues the supernatural action story as Rin Okumura and his fellow exorcists face escalating threats from both demons and the mysterious Illuminati organization.