Yo Asami , the creator of the manga Seraph of the End: Ichinose Guren, 16-sai no Catastrophe confirmed that his work is therefore reaching its final stretch.
“Seraph of the End: Ichinose Guren, 16-sai no Catastrophe” launched in Kodansha 's Monthly Shonen in June 2017, the publisher then published the 10th volume of the manga on March 4 .
Source: ANN