Princess Nine is a tV series anime that premiered in spring 1998, produced by Phoenix Entertainment.

About the production: the story comes from an original script, there are 26 episodes of about 25 minutes and its current status is "finished".

Its main genres are drama, romance and sports, with themes such as Baseball, Primarily Female Cast, School Club and Female Protagonist.

On AniList, Princess Nine has an average score of 69%, a good score, and appears on 4,224 users' lists.

Keiko Himuro, Chairman of the Kisuragi School, puts together an all-girl baseball team led by Ryo Hayakawa, daughter of a legendary pitcher, in hopes of proving that girls can compete just as well as boys. Their goal: Koshien Stadium, where only the best teams get the opportunity to play. (Source: Anime News Network)

Official synopsis from AniList.