I was this close to throw my chair at my monitor. Good thing I've finished the chapter before doing it. That's a flag. A huge flag. Keeping that kind of relationship tends to drown in the long run. That's frigging disastrous in my opinion. I'm still on my Ship S.S. Kanou until it hit rock bottom or it reaches port.
I view the title girl as nothing more but a reverse one. If we go by theory and the translation for the title is indeed "Hoshino, close your eyes", I think I see it as she'll close her eyes when Kobayakawa breaks up with her or her breaking up with him. My theory sucks I know.