While Ruby Moon (and her counterpart Yue) often gets the spotlight for her striking design and connection to the main plot, the relationship between Ruby Moon and Spinel Sun (Lola Pearl in the Nelvana/English dub adaptation) is a "good piece" of storytelling because it provides a necessary foil to the main cast.

If you enjoy the character dynamic, it usually stems from their vastly different personalities:

Lola Pearl and Ruby Moon are [insert brief description of who they are, e.g., fashion influencers, artists, entrepreneurs, etc.]. With their passion for [insert shared interest or passion], they're on a mission to [insert their goal or aspiration].