Ayaka Sakurai is an excellent student, but she gets nervous at exams, so she had to settle for a lesser high school than she expected. However, her teacher offered Ayaka a recommendation letter to the school of her choice if she could convince the delinquent girl Sora Honda to come to school. When Ayaka visited Sora at her home, Sora was quite willing to go back to school, if Ayaka would agree to do one thing...

(Source: Anilist)