Yoshiko Fujisawa is Hikaru Matsuyama's girlfriend, later fiancée, and former manager of Furano Middle School.
Yoshiko is Matsuyama's grade school friend, originally from Hokkaido. She moves to United States after Furano Middle School lost to Nankatsu, but later return to Japan to meet Matsuyama and complete her education in Japan.
Yoshiko is a kind, hardworking and quiet girl, fitting well in the "Yamato Nadeshiko" ideal regarding women in Japan.
(Source: Captain Tsubasa Wiki)