I used to think there's no way Ishigami could ever conquer Tsubame, but after his super bold (accidental) confession and recent interaction with her, I have no idea. Obviously I was earlier expecting him to get rejected by Tsubame (assuming he ever confessed), and then slowly win over Iino. Now it could go either way, which is quite interesting. I wouldn't mind either outcome. The one outcome I wouldn't like is a misunderstanding of a misunderstanding if and when the confession is revealed to have been accidental. If Ishigami plays his cards utterly wrong at that point, it might make Tsubame drop him like a rock, considering she's still not entirely sure she even wants to try to go out with the dude.