Both LBC and YRU? have the same "enemies turn lovers" kind of relationship. Also, the parent story of these two series is TharnType the series.

The heroines in both series are similar in their cheerful personalities. Both are not bright, they are struggling to better themselves, and they want to impress their crush. The main male leads are enamored by schoolmates and by their teachers for being the top students academically, However, they appear aloof because of their introverted personality.