Niner: "Now what are you listening to?"
Fi: "Mon Cal opera, I'm improving my mind."
Niner: "Liar. I can see you nodding to the beat."
RC-1309 ("Niner") and RC-8015 ("Fi")[src]

Mon Cal Opera was very popular among high society and the elitist. It was used in a joke by Fi to annoy Niner.


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