The summer 2021 anime adaptation of How a Realist Hero Rebuilt the Kingdom is getting its home video releases handled by King Records.
The book series comes from writer Dojyomaru with illustrations by Fuyuyuki which began in 2016 and has thirteen volumes out.
O as Roroa Amidonia, Mugihito as Albert Elfrieden, Kikuko Inoue as Elisha Elfrieden, Tetsu Inada as Gaius Amidonia, and Kenji Nojima as Julius Amidonia.