Sentou Yousei Shoujo Tasukete! Mave-chan

Battle Fairy Girl Help! Mave-chan

Fighting Fairy Girl Rescue Me Mave-chan

戦闘妖精少女 たすけて!メイヴちゃん

Rei goes to an anime convention and ends up in a world created by the desires of anime fans. Rei doesn't know how to get back and the world starts to collapse because the convention is coming to a close.

(Source: AniDB)

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