Following their triumphant second JAPAN Dome live concert, the idol group 'B-PROJECT' sparks changes at the renowned record label 'Gandara Music.' Tsubasa Sumisora, an A&R specialist, expands her roster to include not just 'KitaKore,' 'THRIVE,' 'MooNs,' and 'KiLLER KiNG,' but also a fresh artist named 'Ultras' from a different musical genre. The dynamic fusion of B-PROJECT and Ultras sets the stage for an electrifying and heartfelt 'love call' that reverberates with passion and excitement.