In order to visit my mother who was hospitalized, I decided to leave my wife and go home alone. - It didnt matter, and I was supposed to go home that day. When I was a kid, I used to come to the stairs where I used to play. - As you climb the stairs while soaking in your memories, a couple comes down from the other side. - Thinking of it as a familiar face, he was a childhood friend of his first love, who had become a married woman. - Excited by her accidental reunion, I was waiting for something on the stairs, and she appeared alone in front of her ...