My favorite childhood friend. I didn't see him for a while when I was growing up. One day, a distant sister's childhood friend returned to her parents' house after a long absence. While talking about the old days, I still remember that I have always liked my older sister. I can't control my emotions, so at least for the past few hours, I want you to be my only sister like I used to be. My sister, who was confused at first, gradually started to feel...
