Having avoided the closure of Otonokizaka High, the members of μ’s return to their everyday lives. News of a second Love Live reaches the girls. This time teams that win their regional preliminaries move onto the finals.

A physical examination reveals Honoka has gained weight. Umi scolds her for her carelessness, and when she attempts to put on the outfit from the first concert...

When the Love Live ends, so will μ's. The day before the event, the members reach a unanimous decision. As usual, the girls gather on the roof and end their practice amidst a friendly atmosphere, but when they realize it's their last practice together, they find themselves unable to go home and end up spending their last night together at school at Honoka's suggestion.