My favorite childhood friend. I hadn't seen him in a while when I grew up. One day, an older sister's childhood friend who moved far away came back to her parents' house after a long absence. While talking about old times, I still remember that I have always liked my older sister. I can't control my emotions, so at least for the last few hours, I want you to be my only older sister like I used to be. My older sister who was puzzled at first gradually began to feel...
