Let Free the Curse of Taekwondo just started so I can't really tell if it's gonna be that similar but the two first episodes reminded me so much of The Time of Fever
-Daddy issues (father hits son)
-The son wants to run away fron the father violence
-Puppy like main character
- Tough main character that wants to protect puppy like main character.

Both dramas are quite realistic, yet have funny moments. While Failing in Love is a drama about teenagers and their struggles with school and first loves, Because This Is My First Life is a drama about adults at the beginning of their 30's , dealing with life problems such as marriage and work.

Both dramas are quite short and have great actors! They both are part of the coming of age genre, with similar storylines as both are about high school students and the struggles of studying and in general the struggles of being a teenager. Also, both dramas finish with an open-end, living the watcher to draw her/his conclusions.

Both dramas are high school teen stories with love triangles and high school drama. While Failing in Love is a more coming of age story with a little more realism doing a great job in portraying the complexity of being a teenager. Best Mistake is a more fluffy, fun to watch and doesn't really have a deeper message but it is nice to binge-watch.