The manga is based on the male idol training smartphone game, A3 !, and is a sequel to the A3 manga! SUMMER. Muneyama began publishing the manga in October 2019, and the publisher will publish the second compilation volume on May 25.
The author published the manga A3! SUMMER in the Monthly Comic Zero-Sum magazine of the Ichijinsha publisher between July 2018 and July 2019. The publisher compiled the work in two compilation volumes and the manga, again, is also a sequel to Muneyama's manga, A3! SPRING.
For its part, the anime A3! Season Spring & Summer, the series' first overall arc, premiered on January 13, and was scheduled to air weekly until March. However, due to the spread of the new coronavirus disease (COVID-19), the anime began to suffer from production problems. Due to the latter, the fourth episode that was scheduled for February 3 was delayed indefinitely.
Finally, the anime restarted its broadcast on April 6, and the second arc is now slated to premiere in October this year.
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