IK huh, so THIS is how ridiculous most romcoms about people who disconnected partway through middle school and reconnect at highschool look like, when you only check on their progress once a year.
Also it's so sad to see him screw up that badly right there. It follows pretty well from everything that we've been able to see, but I'd expect they'd share valentines and other heartwarming stuff throughout 3 years of actually talking again with each other, unless they're on different classes (which I didn't notice being explicitly stated) and only as a maybe.
Then again, trying to ask her to be her girlfriend right before moving out would be pretty awkward, no first date or anything before separation.