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.

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.