Recommendations

Both dramas have same feel.
Both dramas are about MC trying to save his first love from death
Both involve time travelling

Both movies are about a guy in glasses playing piano. Both movies are very similar............................

While Suspicious Partner is much more romance driven, I felt that the atmospheres of the two dramas are very similar. They both balanced a lighthearted feel with the action/crime side of things.
I also felt like the way the main MC's in both dramas started out kinda rocky and then they began to respect and care for each other through their line of work.

Both are the stories of a group of friends struggling to become adults, with some budding romances in between.

Five women live on the 22 floor of the same apartment. Different in personalities they each have their own struggles in their career, family and love life.

The movie and the drama both have horror elements. The Wailling also deals with shamanism, priests, demons and exorcism.

Both are about last noble persons of both countries during Japanese occupation, rule. Both movies are very similar....................

The hero can see ghost and fight them. While investigating one girl ghost's death , they start working together and more...

Both deals with a bullied guy trying to become stronger and overcome the bullies.Both are set in high school

These two dramas are similar because a superstar and a normal not so famous person live togethe. I don't know what else to write because this drama has just started BUT------- watch it. You'll understand how similar they are.

A similar story of a BJ who enters an abandoned building to earn money. Both movies are also filmed in an unorthodox way.

Both movies are about romance between gamers/Otakus. Both movies are very similar...................................................................

Both are inspired by webtoons written and drawn by the same authors - Min (art), Baek Seung Hoon (story).

Bloody Romance borrows heavily from Wu Ze Tian's influence and WanMei's character arcs draw loads of parallels between the two. the only difference being the different choices they make but the overall vibe and theme remains in accordance with each other. Empress of China is a proper historical drama while Bloody Romance is more of a Wu Xia/magical realism version of The Empress of China. Both have beautiful vibrant colors and scenery with bloody romance going for deeper colors well-suited to the assassin's guild while The Empress of China leans more on the bright eye-catching 'day' colors. the only harem drama ill ever support tbh.

The main actress and the screen writer are the same for both dramas. The alien in this drama, and the mermaid in that drama have similar powers. Both have the fantasy creature leaving their loved one (but would she come back? I'm not telling you and spoiling) in the end.