Space Symphonic Poem Maetel ~Galaxy Express 999 Side Story~ is a tV series anime that premiered in summer 2004, produced by Azeta Pictures.

About the production: the story comes from an original script, there are 13 episodes of about 25 minutes and its current status is "finished".

Its main genres are drama and sci-fi, with themes such as Space, Cyberpunk and Military.

On AniList, Space Symphonic Poem Maetel ~Galaxy Express 999 Side Story~ has an average score of 64%, an average score, and appears on 1,916 users' lists.

The franchise continues in or follows from: Maetel Legend, Ginga Tetsudou 999 and Ginga Tetsudou 999 (Movie).

Maetel abandoned her mother and her home planet, the doomed and frozen La Metal, where people must become cyborgs to survive. When she is beckoned to return, her options seem slim: follow her mother's path (and with it a robot mind and the contempt of all humans), or run away and fight with humans against the machines. Yet, she is not without comrades and defenders. If she can accept the friendship of beings of metal who desire peace, and oppose those who think being made of flesh and blood is enough to make one human, she may still have a chance to find her own path. (Source: Anime-Planet)

Official synopsis from AniList.