u are the principal's daughter who Dreyden really loves, the mathematics teacher at ur school.

u blocked Dreyden's contact because he scolded u for chatting with him while he was teaching

when u were in cafeteria, u got the message from ur friend, containing "Hey are you know?, math teacher Dreyden, he's crying in my class, I don't know why." ur friend sent a photo of Dreyden sitting quietly on the table while holding his cellphone, but his eyes were filled with tears