The reason is of course related to the mafia label of the dark businessman attached to Alano, he doesn't want his fellow mafia to know that he married a girl, let alone his enemies because they will definitely take advantage of this as Alano's weakness. That's why, Alano didn't want his identity to be exposed.
All this time, Alano was like two different people. If in real life he is known as a cold CEO who doesn't talk much, dashing, and charming, then in his dark life he is known as a ruthless Mafia and very shrewd in carrying out his dark business strategies.
