Hagane Orchestra

Maigahara Music College Affiliate School Maigahara Senior High (abbreviated MaiMai). At this academy where the most talented musicians from around the country gather, a rumor starts to circulate: Put on a great performance at the school festival and you can earn an extra credit. Believing the rumor to be true, Serina, a student who is in danger of flunking, decides to start a band! Together with Aliciana, Nazuna, Nagi, and Naru, the girls’ world brightens up as they perform, enjoy sleepovers, and even cosplay! But will they be able to perform well enough to earn the rumored credit? The story of a laid-back, everyday girls’ band begins!

The story follows the protagonist Hanako Yamadaki when she encounters the obscure, low-selling 11-member "C-list" idol unit Ongaku Shoujo. Their producer Ikehashi thinks the unit needs a new member. Together, Ongaku Shoujo and Hanako strive for the top of the music world.

In a lonely corner of the world, on the edge of No Man’s Land, sits Clocktower Fortress. It’s home to the 1121st Platoon of the Helvetian Army, and their newest member is a 15-year-old volunteer named Kanata Sorami, who enlisted to learn how to play the bugle. When she was a child, Kanata was saved by a beautiful soldier and found inspiration in the clear, golden sound of her trumpet. From that day forward, Kanata decided music would be her life. As the other platoon members train her how to be a bugler and a soldier, Kanata's enduring optimism will inspire them to look for happiness and beauty, even in a world haunted by war.

The story of the anime will revolve around Dreamcast, Sega Saturn, and Mega Drive, who have just enrolled in SeHaGaga Academy at Tokyo’s Haneda Ootorii station. They are given an assignment needed to graduate by a suspicious teacher, and to clear this assignment, the girls need to enter the world of Sega games. The girls must try their best to graduate without incident.