The opening song is “Shocking Blue” by Miku Itou while the ending theme song is “DECIDE” that’s performed by several of the characters.
The upcoming anime adaptation of Yuuya Kurokami and Karuna Kanzaki property Armed Girls Machiavellianism is just about to hit and there’s definitely excitement for it.
The original work began in the later winter of 2014 in Shonen Ace and has five volumes out.