He didn't recognize the Duke's son in their first meeting in the city's alley?
I think it's not her first time meeting and seeing Nora... Her flashback makes me it believe to be so..:
Lol i know the prince i probs fake af, but the comparison of his introduction to the female lead compared to the ML(Nora)’s introduction to her at the party is like COMPLETELY SUPERIOR, considering how usual male lead introductions are lol