Recommendations

Though one uses DID and the other brain surgery, the main theme of theirs is what is it like having someone else living inside you.

Both have to do with music, though the vibes are different the friends to lovers and the common passion is music is very common, in Do you like brahms? There is more of a musical accuracy for sure though, Symphonys romance is an Adaptation of Nodame Cantiable so it will obviously be for more lighter audience. : )

If you fell in love with the main girl and you want to see more of her works then watch either mountains and oceans if you haven't or watch closer to you if you haven't.

The main girl is in both drama.
They are both set in university/college but I don't want to be friends with you started in high school whereas mountains and oceans started in university/college.

They both time travel to make difference in the future. The main girl in i don't want to be friends with you is also the main in closer to you.
Both time travelling
The main girl is in both
Nice, cute romance

Both films take on about history and relatioship of Thai Buddhists and Muslims in the country. If you are interested at explore about this religious conflict, they would be interesting choices.

- both are set in parallel worlds (comics)
- both have characters who don't realise they are in a comic
- both female leads are quickly self-aware
- both revolve around romance and changing their fate

the storylines of both drama are quite different but similar at the same time. Both are about the rich & privileged people who used their privilege and power to step on other people. The characters in both dramas hide murder and their crimes together to save their elite status, also Bong Tae Kyu and Yoon Jung hoon are in both dramas as friends, accomplices or partners in crime. Even characters of Bong Tae Gyu(Lee Kyu Jin) in both dramas are similar(childish & stupid). Anyway both dramas has the same feeling and ambiance.

Fun Fact: As first Shin Sung Rok(ML in Return)was to play the main character of Joo Dan Tae which is later replaced by Um Ki Joon due to schedule conflicts.

This was my first Chinese drama. It's fabulous. It is a light comedy with a good story line. Must watch!!!!!!!!!!!!

Both dramas gave me a similar feel of two people coming together due to a house and getting married. They gradually fall in love with each other.

Its is the Thai remake of Goong with nice scenaries,landscapes and ofcourse since the remake was made in 2017 more bright and clear videos

-Similar age (High school & University Students' love story)
-Both MLs are smart & brilliant , and most importantly, they see only the FL in their eyes
- Both FLs are cute and active but poor in their study and need ML help
-The bright sides of these two dramas are showing pure Teenagers and their spirits in respective field

-In both, male lead had an accident for the succession for a conglomerate.
-After accident, male lead gets picked up by female lead without her knowing of his identity.
-The rich male lead lives a poor life with a poor, hard-working female lead and causes her troubles everyday.
-Most importantly, male lead suffers with amnesia so he forgets about himself and about his identity.
-While living together and even having different background, male and female lead falls in love with each other.

- both have human leads pretending to be AI (robot and hologram)
- both human leads fall in love with the AI characters
- both include companies trying to steal the AI technology
- both portray loneliness

Both films have the same Western-outlaw vibe. They both tell the story of a gang of rogues who live by their own rules.