Via the official Twitter account for the application sleeve ONEit was announced that the manga series was written and illustrated by Nanao Nanaki, Hi, will be adapted to anime. Production details and release date will be announced shortly. Also, it became known that the manga, the serialization of which ended in 2018, will have a new version.
The manga was released in May 2014 via the smartphone app. sleeve ONE and ended in December 2018. The series had 12 compilation volumes released by the publisher in physical format only sunday.
Summary of Helck
The demon king has been defeated, and now the demon world is holding a contest to choose his successor. A high-class, muscular human named Helck applied for the position and says he wants... to his own race?
Red Vamirio, one of the four heavenly kings of the demon realm, is stunned after Helck's graduation and asks to personally oversee his case to investigate his strange decision. Can you find out what's behind this strange character's plans?
Fountain: Twitter