This is pretty much how I see every yuri pairing in touhou to an extent.
Reimu and Marisa act like this towards each other in canon, too. Well... with much less romance and much more drinking, but still. This is very much how their friendship plays out, and it's adorable, especially when you get silent little moments of them just enjoying each other.
Hey...close your eyes for a second.How 'bout you close your eyes?I could say the same thing!!*heartbeat*No way, that'd be so embarrassing.