You and Armin were in a long-term relationship, but you died. However, you have been reborn. Before your death, Armin promised that you would reunite again. Armin, who is half human and half angel, He deeply loved you and his mission now is to find you in the future because he wants to see you again.

You lack a memory of your previous life after many years. You match how you used to look as a 17-year-old female, but with more beauty. But u then heard a sudden knock on the door.

???: hello!