Project SEKAI×Ensemble Stars!!

Project SEKAI×Ensemble Stars!! Characters is a collaboration between Project SEKAI and the Ensemble Stars!! franchise.
The collaboration will begin on February 15th, 2025 and will feature limited cards, a commissioned song and covers, a limited-time area with area conversations, and a Connect Live.
==Ensemble Stars!! Series==
Ensemble Stars!! (あんさんぶるスターズ！！, Ansanburu Sutāzu!!) is a Japanese multimedia franchise developed by Cacalia Studio and published by Happy Elements K.K. It is a rebrand and relaunch of the similarly named Ensemble Stars! that originally launched in 2015, featuring the basic game and music game variants as two seperate games - with the former being a replica of the original game and the latter being a rhythm game.
==Collaboration Stream==
Air date 	Cast 	 	Stream link
January 27th, 2025 20:00 JST	Ito Kent 	Ito Masami 	https://www.youtube.com/watch?v=ntrsZs297rQhttps://www.youtube.com/watch?v=5jBrO7bgyQA
January 27th, 2025 20:00 JST	Hirose Daisuke	Jose Yuichi	https://www.youtube.com/watch?v=ntrsZs297rQhttps://www.youtube.com/watch?v=5jBrO7bgyQA
==Featured Characters==
Project SEKAI 	Ensemble Stars 	
Shinonome Akito	Sazanami Jun 	
Tenma Tsukasa 	Morisawa Chiaki 	
Aoyagi Toya 	Sena Izumi 	
Kamishiro Rui 	Sakasaki Natsume	
==Story==
: One of Japan's largest music events, ASTRO FES, is confirmed to be held soon!
: During this event, the idols from Ensemble Square, Chiaki, Jun, Izumi, and Natsume, meet 4 high school students from Shibuya: Akito, Toya, Tsukasa, and Rui, who are all active in different fields from idol works. The eight of them then ended up appearing together on the fes' collaboration stage--
==ASTRO FES Venue==
The ASTRO FES Venue is a time-limited location, available only during this collaboration. The featured collaboration characters can be found together here.
==Collaboration Event Story==
A fully-voiced event story tying into the collaboration will be held on both Ensemble Stars!! games.
==Music==
===Collaboration Song===
Fusion 	
Fusion 	
I created this song while imagining what it would be like if all 8 characters performed together in a live concert. I was also the one in in charge of line distribution this time. I think I was able to bring out the best in each character with this song! I thought up and wrote the lyrics for the song in a lot of various ways that could create a sense of collaboration between the 2 games. By all means, please give the song a listen and try to look for the collaboration elements by yourself! Lastly... I personally really like the chorus part of the song!!
Composed by DECO*27 and arranged by tepe	Composed by DECO*27 and arranged by tepe	
I created this song while imagining what it would be like if all 8 characters performed together in a live concert. I was also the one in in charge of line distribution this time. I think I was able to bring out the best in each character with this song! I thought up and wrote the lyrics for the song in a lot of various ways that could create a sense of collaboration between the 2 games. By all means, please give the song a listen and try to look for the collaboration elements by yourself! Lastly... I personally really like the chorus part of the song!!
VIRTUAL SINGER VersionLen & KAITO 	SEKAI VersionDI:Verse 	
I created this song while imagining what it would be like if all 8 characters performed together in a live concert. I was also the one in in charge of line distribution this time. I think I was able to bring out the best in each character with this song! I thought up and wrote the lyrics for the song in a lot of various ways that could create a sense of collaboration between the 2 games. By all means, please give the song a listen and try to look for the collaboration elements by yourself! Lastly... I personally really like the chorus part of the song!!
===Collaboration Covers===
Song 	Singers 	2DMV Release Date	Game Addition Date
KING 	Crazy:B with Tsukasa and Rui 	February 16th 	February 17th
Fragile	ALKALOID with Shinonome Akito and Aoyagi Toya	February 18th 	February 19th
==Connect Live==
The Connect Live will be held on February 22nd and February 23rd and will feature units from both Project SEKAI and Ensemble Stars!!. The Ensemble Stars!! unit lineup will differ between the two days.
For more information, refer to the Connect Live page.
==Serial Code Campaign==
A serial code campaign will also be held in both games. Players can earn special serial codes in Project SEKAI & Ensemble Stars!! Music/Basic, and earn rewards in each game.
More details to be added soon.
==Login Campaign==
Players who log in between February 15th until March 2nd, 2025 23:59 JST will receive the 2★ cards for Len and KAITO, and an ASTRO DRINK.
==Login Story==
During the collaboration period, a login story will be available between February 15th until February 24th, 2025 21:59 JST.
==Gacha==
===Crossing SEKAI with ENSEMBLE Gacha===
This collaboration also came with the Crossing SEKAI with ENSEMBLE Gacha which began on February 15th 15:00 JST and will end on March 2nd, 2025 23:59 JST.
====Cards====
The gacha featured four limited 4☆ cards, each card's untrained art featuring a Ensemble Stars!! character.
===Premium Present Gacha===
A Premium Present Gacha to commemorate the collab is also available from February 15th 15:00 until March 2nd, 2025 23:59 JST. Pulling in this gacha will give players limited costumes for Akito, Toya, Tsukasa, Rui, Len, and KAITO.
==Timeline of events==
December 26, 2024
* The collaboration was first announced.
January 27, 2025
* A collaboration stream was held.
== Promotional images ==
File:Project SEKAI×Ensemble Stars!! illustration 1.jpg | Rui & Natsume
File:Project SEKAI×Ensemble Stars!! illustration 2.jpg | Toya & Izumi
File:Project SEKAI×Ensemble Stars!! illustration 3.jpg | Tsukasa & Chiaki
File:Project SEKAI×Ensemble Stars!! illustration 4.jpg | Akito & Jun
==External Links==
* Project SEKAI collaboration site
* Ensemble Stars!! collaboration site
== Navigation ==
Category:Collaborations