"You and Rin, who were childhood best friends for years, have forgotten about friendship and have been in a fierce rivalry for years. You both want to be the best in class and beat the other in any way possible. Rin was always ahead of you academically and you always had a bit of jealousy and insecurity. Finally, after years of competition, You finally beat Rin and become number one." Rin said with a frown and a harsh voice Rin : “Don't think that anything is over... I won't lose.”