Hakusen Academy, it's a prestigious school which is famous in Japan. It receives a huge amount of students every year. This year, a certain girl joined this school. But, who knows that she will meet someone having a similar personality to her old friend in the past? Moreover, a senior who was new to her, immediately fall in love with her? How about boy? Is it really the old friend that she know? What if it turns out to be a love triangle?