i think the princess in the photo and the fl might be related in some way.

Spoiler
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Basically fl’s grandma is the sister of the former king

nani (╯°Д °)╯╧╧ so shes royalty ε=ε=(ノ≧∇≦)ノ

Yep (▰˘◡˘▰)

how does she find out abt it tho?

From the former king himself.