Alderamin on the Sky is a Japanese light novel series, written by Bokuto Uno and illustrated by Sanbasō and Ryūtetsu between 2012 and 2018. A manga based on the series, written by Taiki Kawakami, is published in Dengeki Maoh. An anime adaptation produced by Madhouse and directed by Tetsuo Ichimura aired from July 9 to September 30, 2016.

Nobuhiko Okamoto is a Japanese voice actor and singer affiliated with Raccoon Dog. He won the Best New Actor Award at the 3rd Seiyu Awards and Best Supporting Actor Award at the 5th Seiyu Awards.