Recommendations

Both actresses belongs to AKB48

The storyline is about fighting and rivalry within the school
Both main character are badass and a fighter

Both main characters who overcame great adversity to get to where they are, and used their intelligence to help their loved ones avoid danger and achieve honourable goals. Mei Changsu in NiF went through 12 years of extremely torturous treatment (adversity) and carefully planned and schemed (intelligence) to help his righteous best friend to the throne and return the honourable name of his family and Chilin Army. Ming Lan was severely neglected growing up in her house, suffering from a lack of food and chill despite being the daughter of an officer, and lost her mother when she was 8 so that she had to live each day in extreme caution (adversity). She used her intelligence to keep her friends, husband and grandmother from harm from jealous relatives and the royal family.

Whereas in NiF you can feel Mei Changsu's love for his fiance, best friend and former army buddies that he left behind, you can feel Ming Lan's love for her mother, friends, husband and grandmother.

Both series are also well acted. The stories are well written - actions taken by characters have long-lasting consequences throughout the story, and each character has depth and purpose.

It’s about two people with different personalities. One is a singer and the other is a baker. Eventually these two men fall in love with each other

Both involve the lead meeting a younger version of themself
Both involve some kind of time travel
(Something something 100 letters)

They both are based of true events and have political ties. Default also has an A list cast as well and both have time skips regarding the end of the movie. They are both great titles but if you want a similarity to The spy gone north, Default is just as close

Both are fun movie to watch. Main similarity with the main lead. First lack of confidence. Misfortune and failing in career ladder. However, they are great man with great principle. They can lead, they are serious to their duty and task. When assigned an important duty, they gave their all.

Group effort. Partial action, mystery, thriller with humor. Great casts. Both consisted of different ages, different gender. First they doubted the guy, then they go along, then they felt sympathetic and supported the main guy. Both are relaxing movie with good substance and fun

In both dramas the lead couples form a codependency bond as a result of lasting side affects from traumatic experiences, which leads to love. Both female leads turn into other people, one mentally the other physically and they both try to arrange the daily lives to hide and protect themselves from being found out. Both male leads are very rigid CEO's of family run companies in which family members and others are using any means to get rid of them, so they can take over the company. Both dramas have a very cute serendipitous second couple love story.

Both are korean webdramas about soulmates.

Color Rush is colorblind soulmate AU (=one of the main leads is colorblind until he meets his significant other)

Dear My Name is soulmate-identifying marks AU (=everyone has a name of their soulmate written on their body).

Color Rush is a BL drama. Dear My Name is a hetero drama with female lead being quite tomboyish.

You get the same feeling from both dramas, even in some scenes.
Same actress as female lead
Male lead is also a character in the drama
Both male leads are medics.

Written by the same writer. Similar ambiance. Thrilling watch!

both dramas feature an old, historic and conservative family that has to face a lively (future) daughter in law.
While the FL has to adapt to her new family, the family is changing because of her.
Similar is also the drama sweet 18 (https://mydramalist.com/294-sweet-18)

This drama is basically about biotechnology and superhuman abilities. Bottom line - human experimentation.

Friendship, relationship and family. OXYGEN THE SERIES and TONHON CHONLATEE are two of the most popular Thai Bl Series.

Similarities is that both series have spy that help police investigate illegal activities. in YLM the spy is ML and the storyline is quite serious and heavy while in KWHNPSL the spy is FL and story is quite light and a lot of funny moment.