Akira Gunji, Sho Tenkubashi, and Raika Nadeshiko plunge headfirst into a cosmic clash against Raika's doppelganger Ririka--an assault weapon wreaking havoc across the stars! The odds seem insurmountable until Kaito Toya, Raika's unexpected ally, rockets onto the scene, catapulting Akira and his crew into an even more daunting battle.