µ's is now at 6 members with the addition of Hanayo, Rin, and Maki. The group attempts to make their idol group into a proper school club. However, they are informed another idol club exists, and must negotiate with them.

µ's cancels its school festival concert after Honoka collapses. Honoka learns the group has been revoked from entry into Love Live. However, due to their success, the school is going to admit new students next year.

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.