Recommendations

The same female actress in main role (she improved her skills);
similar plot (even better, more interesting characters and twists ) ; OST really good in both of them; fighting scenes; funny moments; Adjumma (you'll see if you watch it ;D);

The movie is about a father who dies but then gets another chance to bond with his son. He becomes a high schooler and tries to become his son's best friend. HILARIOUS!

Over the Rainbow is also about young people trying to survive in the music industry. It's a bit darker and more serious than Goo Hae Ra.

Another Hyun Bin drama in which the main characters change souls. So you get to see him acting like a woman! xD

This movie is not about a split personality, but it's about a father who died and bargained with an angel for a deal. He was sent back on earth as his son's new friend. Touching and hilarious at the same time!

Both dramas deal with similar issues, about finding who you really are and what you want to do with life. Both have music as the main theme.

Both dramas have a music theme. You are beautiful is more about being in a band whilst Perseverance, Goo Hae Ra is more about life in general and friendship.

Both dramas are music and friendship. Young people trying their best to find their place in this world. Innocent & sweet.

typical story about teacher dealing with students, also full of comedy and there are so many heart warming scenes.

Many similarities in the plot including a main character who idolizes a female lead who's out of his league.

its almost the same story and has a lot of action. iljimae drama is historic while city hunter a modern version of it

Both follow the perspective of a nerdy male lead who has issues with dating.

Similar plot. A pregnant woman lose her husband and three guys take care of her.

The main character loses his memory and falls in love with the main girl but he has to return to his real life and love interest. Who will he choose?

Both these Japanese dramas are romantic comedy adaptations of popular mangas that focus around a school club. The same actors plays the male leads in both the dramal with both characters being over dramatic in their mannerisms, and fall in love with the female lead from the very beginning but is oblivious. The female characters though played by different actresses have the same personalties of being lonely school nerd until they meet the male lead and then they start to change. As well the girl is also completely oblivious towards her feeling for the male lead.