The girls take Rate to Hinata's family clinic, where Hinata's brother examines her and deduces she is suffering from a cold. He gives Rate some medicine to take and instructs Nodoka to give her plenty of rest. Everyone helps out to look after Rate, leading her to confess to Nodoka that she feels useless, to which Nodoka reassures her she isn't. However due to her illness, Rate is unable to sense when Batetemoda creates a MegaByogen and by the time the girls discover it, the monster has already managed to grow incredibly powerful...