Azuki-chan
Genres: Comedy, Romance, Slice of Life
Type: TV, Episodes: 117
Aired: Apr 4, 1995 to Mar 17, 1998
Studio: Madhouse
Source: Manga
Rating: G - All Ages
Synopsis:
Azusa Noyama is a 12-year-old girl student, taking 5th grade, but everyone knows her as Azuki-Chan, nickname that she dislikes. Yuunosuke Ogasawara, a new student, asks her about her nickname, saying that he likes it. Azuki falls in love with him, and they start going out together. They share a diary, and become boyfriend and girlfriend.

(Source: ANN)