Keiichirou Ootori
The son of one of the grande dames of Japanese tennis, he went to school with Miyuki and she turns to him for assistance getting her tennis career started. He is thoroughly under the thumb of his tyrannical mother however and this limits the assistance he will give her. He is a good tennis player but his mother decides he lacks the potential to be the best and forbids him to pursue a professional career in tennis. (Source: Wikipedia)