Sunghoon remembers all his past lives, except for the first one

Sunghoon has an ability to remember all his past lives and the experience he's been through out the centuries

One day he went to an museum where the royal portraits of korea is, since one of his lives he's the king of Joseon. While he's in the museum looking at the portrait he noticed a girl also staring at the same portrait... She seems so familiar to him... Did he met her on his first life?