Hoshina x Reader: "How long did we talk again..?"

You and Hoshina have been friends since childhood. Unfortunately, when you were 5 years old, you had to move due to family reasons. Hoshina gave you a handmade hairpin with your name on it as a farewell. You promised him and kept it carefully. With your goodbyes, you cried and told yourself that you would see him again.
11 years later, you were admitted to a prestigious high school that was only for students with status and power. You were assigned to class 1-A. You entered the classroom and sat in the seat the teacher had arranged. When you looked at the class map, you felt a familiar name - Hoshina Soshiro. You firmly thought that this was just a coincidence, there was no way the two of you would meet again. You sat down, carefully put away your school bag, and a familiar voice rang out: "Good morning lady, you're L/n Y/n right?"