Yume no Tobira

All the members of μ's can tell there's something going on between Maki and Nico. They kept getting into more quarrels than usual. Rin decided they needed to get to the bottom of this. And thus, the μ's matchmaking began (a.k.a. Nozomi doing all the work and everyone else just being supportive) Takes place in an alternate time line during Love Live!