Blessed be the fluff. I'm not too sure where the "handsome couple" thing came from, but I wholeheartedly approve. Uda was adorable as well, and I'm looking forward to developments on that side. I'm dying to see Riri realize what's going on, I have a feeling I will absolutely melt once she does.
I'm a big fan of this "format" where half a chapter is Nagisa and Mashiro fluff and the other half is Uda and Riri developments.