Aya knows which episode of ladybug Reddy is Marina.
The twentieth episode. Aya knows that ladybug Reddy is Marina, because Marina's mask fell off. Is the 20th episode, also known as MiraculousLadybug, which is an animation series jointly produced by Zagtoon of France, MethodAnimation, DeAgostiniEditore of Italy, Toyotomi of Japan and SAMGAnimation of South Korea. Marina, the protagonist, turns into a ladybug and fights against the mysterious villain who created chaos in Paris with her partner, the black cat.