![](http://static.miraheze.org/projectsekaiwiki/thumb/6/6b/Aku_no_Taizai_Series_SEKAI_icon.png/128px-Aku_no_Taizai_Series_SEKAI_icon.png)
Aku no Taizai Series SEKAI was a SEKAI available during the Project SEKAI×Aku no Taizai Series collaboration. VIRTUAL SINGERs in this SEKAI are the characters within the Aku no Taizai Series.
![](http://static.miraheze.org/projectsekaiwiki/thumb/d/dd/Aku_no_Taizai_Series_SEKAI_background.png/500px-Aku_no_Taizai_Series_SEKAI_background.png)
Gallery
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Margarita Blankenheim appearance.
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Riliane Lucifen d'Autriche appearance.
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Allen Avadonia appearance.
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Kayo Sudou appearance.
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Banica Conchita appearance.
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Gallerian Marlon appearance.