I don't really know what Yuri is thinking... was she thinking that she could be in love while being an idol in Japan?
and the way she was worried about being discovered...
It seem to me that, for her, being an idol is more important than her love.
Obviously, nothing is wrong with that but you shouldnt act as if the relationship had a chance to begin with.
Author-sensei is making the writing on the wall pretty clear, eh? Still don't think either of the two pairings are very compelling, but here's hoping they manage to at least establish a foundation of honesty and trust at some point.