I really like the narration style in this one.
Also, I thought about it being too fast, but then again what was Rurika supposed to do? Komugi's gay radiation was so strong that Rurika didn't need a gaydar to notice the highly concentrated lesbian energy that accumulated around her. And since Rurika learned that Komugi tends to be passive even about things she likes, she'd just take that initiative.
Now, what worries me more is the "We going back to the country soon so don't get used to the city life" part. Since now we know what will happen later, I wonder how it'll be resolved. For some reason, I feel like anything could happen with this story. Even a bittersweet goodbye without a follow-up "sometime later"