Basically, the same synopsis. But longer and so it had a bigger emotional impact.
The setting was also in high school too but later moved on to college.
If you wished Love Buzz was longer then this will be a perfect watch

Oh Ha Ra is a hotshot divorce lawyer whose nickname in legal circles is “the “goddess of litigation.” One of the reasons she is such a dab hand at divorce proceedings, perhaps, is the fact that she has divorced her long-time lover and fellow lawyer Goo Eun Beom. But her relatively uneventful life is turned upside down when she is unexpectedly reunited with her ex-husband – in the law courts!

The duo is forced to work together – leading them to butt heads and reignite past grievances. While their professionalism prevents them from telling each other what they really think in public, tempers begin to fray...and risk boiling over. The tense atmosphere is not relieved in the slightest by fellow divorce lawyers Kang Bi Chwi and Kwon Si Wook, another pair of advocates who always seem to get under one another’s skin! Will Cupid rescue this group of lawyers – or will chaos break loose in the courtroom?

Queen of Tears is basically an expanded version of this drama special

This drama is about Ms. Kim, a mysterious girl and Mr. Lee, a passionate new employee who hovers around her. They carry on the mission to find the industrial spy.

Pretty similar in most respects. A girl with a memory related issue
Both heartbreaking romance and lots of crying

Both involve two worlds and lots of ass-kicking martial arts.
Both have an element of mystery. Things are not as they appear
Both need a season 2 both I doubt we will get it lol

Male Lead Pops out From a Comic Book.
Similar Female Leads and a lot of fun
Male Lead rejected by female lead