Recommendations

Both settings have a music university.
DYLB mains play piano and violin, SR main leads play piano and conductor.
Hardships of being talented and good romantic chemistry.

Both movies show men suffering in prison for their political beliefs. Although, National Security is much more graphic.

A prisoner is severely mistreated in both films. Both are based on a true story.

Both films show a guard/warden targeting a prisoner with whom he seems to have a personal vendetta.

Both show a prisoner being severely mistreated by his guards. Both are based on a true story.

Both movies involve corrupt people in positions of power torturing a man into giving a false confession. Both are based on a true story.

The style of slapstick humor is similar, and both use some references to other dramas/movies & cameos/guest actors in every episode

This movie is a remake of the original movie from Japan in 2008 called Cyborg She.
The plot is nearly identical but I think the 2008 movie did a better job overall. The other film is also longer and explains the plot in greater details. Many of the actions she took were in fulfillment of his wishes. That is not explained in this current remake.

It's a BL movie series that is about high schoolers learning to love. I don't want to give anything away but the story is so sweet and tear jerking, it's definitely worth a watch.

Both are basically Girl Love (GL) series
Coming of age of main players discovering love
Developing love and its associated issues

It is a college campus story between the leads.
There might be a love square between the 4 characters of the drama.
The chemistry is undeniably strong.
The female lead is cute, quirky and cheerful
The male lead is subtle, shy and kinda quiet.

A world beyond scientific understanding with a group of passionate adults trying to solve cases done by such forces. Zhao Yun Lan and Shen Wei are tasked with upholding peace between deities, demons, and humans, and the story will focus on their friendship that transcends past and present lifetimes.

~~ Adapted from the novel Zhen Hun written by Priest.

Both dramas have similar themes of college students, love, coming of age, friendships, and more.
Both revolve around different age students.

College-aged students find love and relationships and navigating rocky roads between them.
Both are coming of age stories.

College-aged students finding out about life and various coming of age stories told from their perspectives