Prelude

This is the story of Akira Echizen, one of the worlds most talented mathematicians, and former tennis player. She is also Ryoma Echizen's slightly younger twin sister. In her youth, two years ago, Akira gave up tennis for her brother, and Ryoma as well as her father never forgave her for it completely. Now, the Echizen's move to japan, and Akira decides to go to a different school than her brother. Will this split them apart for good, or will this bring Akira back into tennis and mend her family? Read to find out.