Fake Young Masters Elope(BL)

Caelum Lumiere was born from a poor family. His mother was working in a brothel that abused him while his father was a former spy from the palace which was killed after he was born. As he grow up he became an adhd teenager that have difficulties of understanding people's feelings and intension. Unfortunately, he cannot get over against this adhd sickness as he became 18.

Meanwhile, the young master Tieran Kei Arcadian is born in a noble family. His father was a duke of the Arcadian household. Working for the king Heinrcix. He's always sensible and have some difficulties expressing his feelings toward what he likes.

Realizing that they have been switched by an unknown person when they're babies, is there hope that they can understand each other when their paths interwined?