Blind Prince Meets His Pretty Princess

Before losing his memories, he wanted to kill him because this was his mission. After the disappointment, love has been born for a long time, deep in love.
He remembered the past, but he could not choose to stay or to stay …
"In the face of a foster father, one has feelings and loyalty. In the face of a lover, one has love and one has obsession."
How do you choose between the two?
To love but not be able to, yet not be able to let go …