You can't look cute in a china dress. You can look restricted in mobility in a china dress or you can look like an accident waiting to happen in a china dress.
But you can look cute in a Chinese dress.
Question 2 was a very good question and Adachi asked it well.
"So I arrived at Shimamura's house..." Hino? In fact, she reminded me of Hunter S. Thompson in Fear And Loathing
Shy little sister trope. Bleh.
You ask some amazing questions, Adachi
Keep going and you might break the shoujo-ai "chapters until relationship" record
Aw... Sucks that it had to end this way. That girl's got some ovaries. Don't give up now. Ask her out on a few dates before you confess.