The original light novel series 'Alderamin on the Sky' written by Bokuto Uno with illustrations by Sanbasou was first published.
The manga adaptation of 'Alderamin on the Sky' began serialization, expanding the story's reach.
The anime adaptation of 'Alderamin on the Sky' started airing on Japanese television.
The final episode of the 'Alderamin on the Sky' anime was broadcast, completing the series' initial run.