She is a goddess and he is a demon. They have different paths and have been enemies for hundreds of years.
A memory loss caused her to put aside her past and plunge into his arms.
They used to be tit-for-tat, but now they are together day and night.
He had hidden his feelings for a hundred years, but she finally relied on him for the rest of his life.
So what if I remember everything?
I am willing to rely on you alone.