ML or SML has a secret Identity?

Well, I've just begun watching this : "To be with you", it's a Chinese drama about two rich men one whom has a hidden identity. Anymore like this?

FL has secret identity 

Watashitachi wa Douka Shiteiru - Changes her identity and takes revenge on ML

ML has secret identity

Healer - kinda like secret agent

Hwarang - The price hides his identity

The Guardians - Hides his identity to become close to the one he wants to take his revenge on,

• General's Lady 
• Flower of Evil 
• Hwarang 
• Joy of Life 
• Mr. Queen 
• Nirvana in Fire 
• The Fiery Priest 
• Word of Honor