Cassiopeia is known for being one of the most loyal and dedicated fan clubs in the K-pop industry, and has been instrumental in DBSK's success over the years. They are known for their enthusiastic support, often organizing large-scale events and projects to show their love for the band.
The relationship between DBSK and Cassiopeia is considered to be one of the strongest and most enduring in K-pop, and is often cited as an example of the close bond that can exist between a band and its fans.