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.
| Crew | Shun'ichi Yukimuro | Script |
| Sound | You Tsuji | Original Music Composer |
| Writing | Yasushi Akimoto | Graphic Novel |
| Crew | Chika Kimura | Graphic Novel Illustrator |
| Writing | Shun'ichi Yukimuro | Series Composition |
| Visual Effects | Yoshiharu Ashino | Character Designer |
| Production | Eizou Kondou | Producer |
| Directing | Masayuki Kojima | Series Director |
| Sound | Yota Tsuruoka | Sound Director |
| Visual Effects | Yoshiaki Kawajiri | Character Designer |
