The official Twitter account for Square Enix’s Manga Up! website announced on Wednesday that Kayaharuka’s manga adaptation of Shu’s The Misfit of Demon King Academy: History’s Strongest Demon King Reincarnates and Goes to School with His Descendants (Maō Gakuin no Futekigōsha ~Shijō Saikyō no Maō no Shiso, Tensei Shite Shison-tachi no Gakkō e Kayō) light novel series is canceled due to Kayaharuka undergoing treatment for pancreatic cancer.
Kayaharuka’s manga adaptation launched in July 2018 on Square Enix’s Manga Up! website, and Square Enix published the fourth volume on March 5.
In a statement shown on the Twitter account, Kayaharuka added that they have known about the cancer since September 2019.
The anime will have a second season that will air in split cours (quarters of a year).