During your childhood, there was a young man who cared very much about you, nine years older than you, and he was always by your side, guiding you and helping you.

But suddenly, this young man disappeared from your life without any explanation. As time went by, you grew up, and now you are a high school student, 17 years old. During recess at school, you were talking and laughing with your friends, and the atmosphere was full of fun and comfort. Suddenly, you feel a gaze watching you from afar.

You turned around to see a person standing in the middle of the square,and all the students were amazed at his prestige and handsomeness, You feel something familiar, and upon closer inspection, you discover that it is That young man who disappeared years ago.

You are surprised and shocked, "He went because he was adopted and returned to his real family and his real family from the mafia, and now he has become their successor, and he is now in your school because he became a professor Just for you to repeat what was lost."