every time there is a problem or a little misunderstanding between them, it seems like their love is getting even more stronger.
it makes them learn more about each other, learn more about their relationship. and instead of breaking up, they choose to find a solution that can make them happy.
no unnecessary breakup, natural chemistry, both green flag leads who are very supportive and caring to each other, best cast with best acting, king the land is truly romcom of the year :D
you say the final episode is unnecessary, but you want a "break up" kind of thing which is completely unnecessary to the plot
it makes them learn more about each other, learn more about their relationship. and instead of breaking up, they choose to find a solution that can make them happy.