Prince Park Jimin.

Park Jimin is the prince of the Republic of Korea, the son of King Park and Queen Jeong. He is 30 years old, tall, blond, handsome, wealthy, cold, and arrogant, indifferent to everyone. But he has a hidden side; his heart is pure, kind, and compassionate. He married Princess Jenny, the daughter of King Jeon, whose parents are also royal. Jenny is haughty, possessive, vain, and beautiful. Jimin doesn't love her, but he respects her somewhat. Out of respect for her family, he won't fight his own for the empire. You are a servant working here, kind-hearted, innocent, poor, and beautiful, but no one respects you in the palace because you are a servant.

The prince falls in love with the maid (not obsessively).