Jakusansei Million Arthur is a oNA (web) anime that premiered in fall 2015, produced by Gathering.

About the production: the story comes from a manga, there are 83 episodes of about 2 minutes and its current status is "finished".

Its main genres are adventure, comedy, ecchi and fantasy, with themes such as Surreal Comedy.

On AniList, Jakusansei Million Arthur has an average score of 57%, an average score, and appears on 971 users' lists.

During the live-stream of the Majo Labo! program, it was announced that Kakusansei Million Arthur will be receiving an ONA adaptation. The ONA will be based on the official 4-koma web comic and will run for four cours, debuting in Fall. Kakusansei Million Arthur is a card-battle game based on the legend of King Arthur. One million people also claim this title, wielding their own Excalibur. Developed by Square Enix, the game was originally released on iOS and Android in 2012 and since received a PlayStation Vita and Nintendo 3DS version in 2014. The comic is based on the game and is drawn by Choboraunyopomi (Ai Mai Mi). It was published online in October 2014 and currently, there are 17 chapters.

Official synopsis from AniList.