It's hard to say. Sometimes the manga keeps such revelations hidden until the right moment to create suspense. So, we'll just have to wait and see if Rose discovers Cid's secret identity.
Their relationship can be developed through shared adventures. For example, if they go on a quest together to retrieve a powerful artifact. During this journey, they have to rely on each other's skills. Cid's combat and strategic skills combined with Rose's knowledge of the local area or certain magic can bring them closer. They start to respect each other more, which is the first step in developing their relationship.
Well, Cid Kagenou does reveal himself at a crucial point in the manga. This reveal has significant implications for the plot and character development.
I don't have a definite answer for you. The manga might be keeping us in suspense about who Cid Kagenou will end up with. It could be a surprise twist or a character that has been hinted at throughout the series.
One plot idea could be that Rose discovers Cid's true power in a moment of crisis. For example, when facing a powerful enemy that the Shadow Garden can't easily defeat, Cid reveals his real capabilities to save Rose and the others. Another idea is a love triangle where Rose has feelings for Cid, but Cid is so focused on his shadowy plans that he doesn't notice at first, while another character also vies for Rose's attention.
Often, a black rose blooming in manga might indicate a twist in the story. It could signify a hidden power or a forbidden love. Maybe it's a visual cue for a dark and unexpected turn of events.
The white rose in bloom in manga can have various meanings. It might signify love that is pure and untouched. Sometimes, it could be used as a visual cue for a peaceful or hopeful moment in the narrative. Also, it could be associated with a particular character's growth or transformation.
Well, El Cid has a basis in history. Rodrigo D铆az de Vivar was a real person, but the stories about him have likely incorporated fictional elements over time to make them more captivating.