Both dramas develops the relationship slowly between each episodes

Warning may be a spoilers
They both have :
-One of the main lead is ashamed about his homosexuality because of some reason.
-the other male lead discover his sexuality.
-homophobia is present but not too much.

The differences :
-there's no big age gap love by chance
-right or wrong is more focuse on family
-right or wrong is a mini-series and shorter than love by chance
-and some other differences but if like one you might like the other

Both are about idols, and are easy to watch.
The male lead of both dramas have a problem with a member of their band, which lead to polemic, also the female lead try their best to follow their dreams.

Both are about a the female lead who looks like the deceased lover of the male lead. In beautiful flowers reborn the fl forget her past and live her life. Both dramas have a oddly pleasant to watch.

In both dramas, the second male lead break up with the female lead, for another woman. They'll learn quickly that when fantasy became true, i'ts one thing to dream but another to live with it.

Both dramas had secret birth, cheeky love between the mains leads.
the female lead is also naive and stubborn.