As Minare Koda continues to grow as a radio host week by week, one day, she's assigned to accompany Mizhuho and Kureko to Wassamu for some on-site research. But soon after arriving, they're abducted by a shady religious group and coerced into producing a radio show for the church. Then, after accidentally uncovering the cult's sinister plot involving sonic weaponry, Minare and co. have their stay extended indefinitely. Sensing foul play afoot, Nakahara and his band of would-be white knights rush from Sapporo to Wassamu to save the damsels in distress...plus Kureko!