Initially unveiled on the Blue Archive channel's "Natsu no Blue Archive! 1.5 Shuunenkinen Special!" stream, a short animation themed around summer was shown commemorating the 1.5th anniversary of the Blue Archive mobile game. The ending theme song is called "Kagayaki Summer Days" sung by members of the Abydos High School Foreclosure Task Force.

Animated promotional videos for the smartphone game Blue Archive.
 
1) アニメPV フルVer. (25 January 2021) 
2) 便利屋68 (11 May 2021) 
3) トリニティの夏、ゲヘナの夏。 (24 July 2021) 
4) 新春狂想曲第68番 (24 December 2021) 
5) 1st Anniversary Animation PV (25 November 2022) 
6) 白亜の予告状～虚飾の館と美学の在り処～ (22 April 2023) 
7) 夏の特殊作戦！ RABBIT小隊と消えたエビの謎 (17 June 2023) 
8) 簡体字中国語版 リリースPV (3 August 2023) 
9) 陽ひらく彼女たちの小夜曲 (21 January 2024) 
10) 簡体字中国語版 ハーフアニバーサリーPV (3 February 2024) 
11) Say-Bing! (23 June 2024) 
12) Sheside outside (21 July 2024) 
13) Serenade Promenade (20 October 2024) 
14) ハイランダー鉄道爆走事件 ～そして列車はなくなった～ (20 April 2025) 
15) ブルーアーカイブ「6th PV」(20 April 2025) 
16) 百ヨリ出ズル一輪ノ 〜いざ尋常に、水上勝負〜 (21 June 2025)

The short centers on the Game Development Department of Millennium Science School, and shows Momoi being roped into various activities as she struggles to come up with ideas for a game's story. The ending theme song is called "Watashitachi no Quest" sung by members of the Millennium Science School's Game Development Department.
 
(Source: Anime News Network, edited)

The anime will adapt the "Countermeasures Committee" arc.
 
The city's academies are divided into their own districts and are considered mostly independent.
 
The General Student Council acts as governing board to manage the academies as a whole. However, the group's ability to govern has come to halt since the mysterious disappearance of the General Student Council president. Countless issues have begun to surface throughout Kivotos in the absence of the president's leadership.
 
To avoid disaster, the General Student Council requests assistance from the Federal Investigation Club, otherwise known as Schale. In fact, Schale is the city's newest club and the last to be approved before the president's disappearance.
 
To accomplish its task, Schale relies on the guidance of a Sensei who can help them resolve the incidents around Kivotos. (Students are required to carry personal weapons and smart phones! Get a taste of the military action, love, and friendship the Academy City has to offer!) (Source: Anime News Network, Nexon, edited)

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