Recommendations

Both of the female leads are strong mystical beings who fall in love with a human lol. They're comedy movies

Both take place in an office setting and about in-office politics. It also contains wire-tapping and the tapper growing to respect/like the tappee due to listening and learning about their true selves. It also becomes like an obsession for them to listen in on the person's life. Chief Kim is a more lighter drama with some heavy themes, where in My Mister is a heavier with some light scenes.

Brothers that take care of their other brother that they don't consider to be really family.
-One of the siblings has a disability
-Other sibling has a struggle to overcome past mistakes
-Struggle within the family
-Both end on a very sad but happy note.

Even though there is no rich man poor woman romance this drama reminded me of Scholl 2017. I personally think that School 2017 is better f you liked The Heris you will love this drama.

They're both Thai horror anthologies - if you're done with one and still in the mood for a similar format, try the other one!

Both movies are about cats. Both movies star Kitano kie. Both movies are based on famous manga....................................................

Both are romance movies about teachers. Both are kinda similar. Both are based on famous manga..............

Both are epic jidaigeki movie series about adventures of a wandering ronin...........................

The korean drama is not about time traveling still has the same elements like fashion in the ongoing era is the future fashion , human rights and dating agency is the same as marriage beurue
The thai drama is like a spin off of the Let us meet's ML'sister who is into reading romantic novels

Both dramas are similar in a sense that they kind of focus on "beauty" or something on the outside, without neglecting being intelligent and talented as well.
*Let me explain further. In Love o2o, the male lead, Xiao Nai, is unbelievably handsome and talented, the same as the lead in My ID is Gangnam Beauty, Do Kyung Suk is also handsome and unbelievably intelligent as well. Both actors who plays them are also what their characters embody, handsome and dreamy... The female leads, in LO, she is a portrayed as a "real" beauty, while on MIIGB, the female lead's "beauty" is a product plastic surgery. All the characters on both dramas somewhat rely on "beauty" or something physical.
**As for the differences, of course, LO is based on 2 people meeting and "getting married" in a computer online game, thus getting together in real life of the drama-i mean outside of the game. Then on MIIGB, people judge the female lead bec of her plastic surgery. So the dramas are entirely different plot, but both somewhat focused on "beauty" and proving that it is not everything: you have to have substance as well.

Both movies are about no "8". Both movies are about Curse of Samurai..............................................................................................................................

Both movies are about an illegitimate daughter showing up on her father's funeral. Both movies are very similar.

Both are movies about Shougi meijins............................................................................

Both movies are about championship of a traditional Japanese game. Both movies take place in a Japanese shinto shrine. Both movie series are based on famous manga.................................................

Both are tragic romance movies that star Arimura Kasumi-chan. Both are based on famous manga.................................