The Kingdom of the Sun is a kingdom in the southwest region of the main continent of Galaxias. Despite its hot weather, the kingdom is most known for its vibrant culture and thriving agricultural industry. This kingdom has the hottest weather out of the three, with especially hot summers and mildly cold winters. The kingdom's capitol, Stella Solis, is a common vacation destination due to its intricate architecture and cultural festivals.

Originally a settlement of The Kingdom of the Stars, The Kingdom of the Sun forged its own identity over the years and eventually became large and disticnt enough from its motherland to become independent. This split happened about 500 years ago, making the kingdom the most recent of the big three. Despite the very recent split, the kingdom has grown into a unique, culture filled sanctuary.