Ultra Maniac
ウルトラマニアック (original)
The romantic comedy series features 7th grader Ayu Tateishi, a tennis club member, and her transfer student friend, Nina Sakura, who is actually a trainee witch from the magical kingdom.
Starring Yui Horie, Akemi Kanda, Reiko Takagi, Hiroshi Kamiya, Susumu Chiba, Yuu Hayashi, Saeko Chiba, Isao Yamagishi, Ayumi Furuyama
Watch "Ultra Maniac" on Tubi TV released in 2003. It's a animation and comedy show, and has a rating of 7.6 out of 10 from Imdb which is usually fine for this kind of show, and is currently available to watch for free.