The anime adaptation of the four-panel manga "Ai Mai Mii".

The story follows girls in a manga club—Ai, Mai, Mii, and Ponoka-senpai—who might be fighting evil invaders threatening Earth, facing off against rivals in tournaments, and dealing with other absurd situations when they are not drawing manga.

[Source: Anime News Network]

Second season of Ai Mai Mii.

Unaired episode inluded with the BD/DVD release.

Ai, Mai, and Mi belong to the manga research club and have fought off alien invaders as well as rivals in tournaments. But as usual, Ai's the only one actually drawing any manga...

[Source: Crunchyroll]