Kayaharuka's manga adaptation of
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.
In a statement shown on the Twitter account,
Kayaharuka added that they have known about the cancer since September 2019.
Kayaharuka stated while they regret that the manga had to end this way, they will treasure their time working on it.
Square Enix is publishing the manga in English, and it describes the story: