Orpheus Order is a group of people who believe in "freeing themselves from the chains of god" by creating jewelry to boost their brain power. They create self proclaimed "perfect replicas" of the Armband of Orpheus and all other forms of Orpheus jewelry to gain brain power. Their ultimate goal is to distribute perfected Orpheus rings to all people on the planet and rule over all the people who have "unleashed their true power"
Their leader's name is Klondike. All the other members seem to have met Kaito before and have a grudge against him.
- The members' names are based on different forms of Solitaire.
- "Prouder Horse" is an anagram for Orpheus Order.