Project SEKAI×Aku no Taizai Series

Project SEKAI×Aku no Taizai Series was a collaboration between Project SEKAI and mothy's Aku no Taizai Series (Nanatsu no Taizai Series, Seven Deadly Sins Series).
The collaboration featured VIRTUAL SINGERs as the characters depicted in the series.
==Aku no Taizai Series==
The Aku no Taizai Series is a multimedia series detailing the events caused by the vessels of sin, cursed relics inhabited by the Demons of Sin. This series is a part of mothy's larger Evillious Chronicles, a dark fantasy series that is told through songs, books, and manga. For more information, check out The Evillious Chronicles Wiki's articles on the Aku no Taizai Series and the Evillious Chronicles.
==Login Campaign==
Players who logged in between December 13, 2021 15:00 JST and December 27, 2021 14:59 JST received The Slothful, Sleepless Widow and brioche.
===Login Campaign rerun===
Players who logged in between May 3, 2023 15:00 JST and May 17, 2023 14:59 JST received The Slothful, Sleepless Widow and brioche.
==Aku no Taizai Series SEKAI==
The Aku no Taizai Series SEKAI is a time-limited Sekai, available only during this collaboration. The characters featured within this collaboration can be found there.
==Gacha==
This collaboration also came with Memoirs of Sins Gacha. The gacha started from December 13, 2021 and ended on December 27, 2021. 
===Gacha reprint===
The collaboration rerun also came with Memoirs of Sins Gacha - Reprint, a rerun of the original gacha. The gacha started from May 3, 2023 and ended on May 17, 2023.
===Cards===
The gacha featured five limited 4☆ cards, each featuring a Aku no Taizai Series character.
===Costumes===
Each of the five 4☆ cards came with limited costumes and hairstyles unique to their respective VIRTUAL SINGERs.
==Songs==
Seven songs were added during the collaboration, three during the first run and four more during the rerun.
ID 		Name 	Singer 	Producer	Date added
190		Aku no Musume(悪ノ娘, The Daughter of Evil) 	Kagamine Rin 	mothy 	2021/12/13
191		Aku no Meshitsukai(悪ノ召使, The Servant of Evil) 	Kagamine Len 	mothy 	2021/12/14
192		Saribitotachi no Waltz(去り人達のワルツ, Waltz of the Deceased) 	Kagamine Rin 	mothy 	2021/12/15
349		Akujiki Musume Conchita(悪食娘コンチータ, Evil Food Eater Conchita) 	MEIKO 	mothy 	2023/05/03
350		Nemurase Hime kara no Okurimono(眠らせ姫からの贈り物, Gift from the Princess who Brought Sleep) 	Hatsune Miku 	mothy 	2023/05/04
347		Enbizaka no Shitateya(円尾坂の仕立屋, The Tailor of Enbizaka) 	Megurine Luka	mothy 	2023/05/05
348		Akutoku no Judgement(悪徳のジャッジメント, Judgement of Corruption) 	KAITO 	mothy 	2023/05/06
==Featured characters==
<tabber>
Area Chibis=
File:Miku Aku no Taizai collab chibi.png|Hatsune Miku as Margarita Blankenheim.
File:Rin Aku no Taizai collab chibi.png|Kagamine Rin as Riliane Lucifen d'Autriche.
File:Len Aku no Taizai collab chibi.png|Kagamine Len as Allen Avadonia.
File:Luka Aku no Taizai collab chibi.png|Megurine Luka as Kayo Sudou.
File:Meiko Aku no Taizai collab chibi.png|MEIKO as Banica Conchita.
File:Kaito Aku no Taizai collab chibi.png|KAITO as Gallerian Marlon.
|-|
Live2D Icons =
File:Akuno-margarita-circle.png |Hatsune Miku as Margarita Blankenheim.
File:Akuno-riliane-circle.png |Kagamine Rin as Riliane Lucifen d'Autriche.
File:Akuno-allen-circle.png |Kagamine Len as Allen Avadonia.
File:Akuno-kayo-circle.png |Megurine Luka as Kayo Sudou.
File:Akuno-banica-circle.png |MEIKO as Banica Conchita.
File:Akuno-gallerian-circle.png |KAITO as Gallerian Marlon.
</tabber>
==Timeline of events==
May 17, 2023
* Collaboration rerun ended.
* Aku no Taizai Collaboration rerun Login Campaign ended.
* Memoirs of Sins Gacha - Reprint ended.
* Aku no Taizai Series SEKAI can no longer be visited.
May 6, 2023
* Akutoku no Judgement added to the game.
May 5, 2023
* Enbizaka no Shitateya added to the game.
May 4, 2023
* Nemurase Hime kara no Okurimono added to the game.
May 3, 2023
* Collaboration rerun began.
* Aku no Taizai Collaboration rerun Login Campaign began.
* Memoirs of Sins Gacha - Reprint began.
* Aku no Taizai Series SEKAI can be visited once again.
* Akujiki Musume Conchita added to the game.
December 27, 2021
* Collaboration ended.
* Aku no Taizai Collaboration Login Campaign ended.
* Memoirs of Sins Gacha ended.
* Aku no Taizai Series SEKAI can no longer be visited.
December 15, 2021
* Saribitotachi no Waltz added to the game.
December 14, 2021
* Aku no Meshitsukai added to the game.
December 13, 2021
* Collaboration began.
* Aku no Taizai Collaboration Login Campaign began.
* Memoirs of Sins Gacha began.
* Aku no Taizai Series SEKAI can be visited.
* Aku no Musume added to the game.
September 26, 2021
* Collaboration announced on Project SEKAI Wondershow Channel Anniversary Festa 2021.
November 22, 2021
* Collaboration details announced on Project SEKAI Wondershow Channel #14.
== Navigation ==
Category:Collaborations