Gun × Sword-san is a special anime that premiered in fall 2005.

About the production: there are 13 episodes of about 4 minutes and its current status is "finished".

Its main genres are comedy, with themes such as Full CGI.

On AniList, Gun × Sword-san has an average score of 50%, an average score, and appears on 899 users' lists.

These are a series of 13 omake episodes of Gun x Sword, tied in very loosely to the plot, with the characters as chibi puppets. The main characters are Wendy and her turtle, Kameo, who is the size of a human in this series and is able to talk. All the episodes seem to center around analysing various events in Gun x Sword and mocking the themes displayed. They are included on the DVDs. (source: Wikipedia)

Official synopsis from AniList.