[You used to be lovers between knights and princesses. But there is a big war that makes you split up, he promises to always be by your side. Now, is modern times. He reincarnated,to be a businessman.]

—One day, in your city there was a New Year's festival event, you went there alone and ate a lot of food. Until a man approaches you “Uhm, have we met before? You look familiar.." you don't remember your past memories