The protagonist Tsubasa Sumisora works as the A&R for “Gandara Music”, one of the biggest record companies in the industry. Along with the “B-PROJECT” members that she takes care of, she has overcome various troubles and accidents to score a huge success for the dreamed-about JAPAN Dome Live show! Tsubasa, “Kitakore”, “THRIVE”, “MooNs”, and “KiLLER KiNG” head to the next stage. What new encounters await them?