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
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.
Watch it here
Not found streaming from United Kingdom.