Similarities:
-Both have fantastical worlds and elements.
-Both have tragic love story leads.
-Beautiful sets and costumes; rich in color.
-Both have leads willing to sacrifice everything for those they love.

This is the parent story to the three extra episodes that show how the two couples are leading their lives together.

Similarities:
Each has a doctor as a lead plus some of the support.
Male chases female first.
All misunderstandings are resolved fast and without dragging.
Has romance and comedy.

Also has a very sassy and smart FL and feelings that seem to develop with her first as the ML is either unwilling or unable to express himself. Both give into each other; a few side couples and good martial arts.

Skate is a short film documentary about the sport of skateboarding and those that helped revolutionize it in China; great back stories and old photography.

Also a short film and speaks about the importance of people behind the scenes in many industries and how they shouldn't be forgotten. Both short films have the documentary feel.

Another rom-com with multiple couples and a lot of fluff; plus the ML is a great kisser and chases after FL first.

Also an office romance with multiple couples though the age gap is reversed. Plus the ML also has to teach the FL about falling in love. This is an oldie but goodie.

This is part of the series. Though in a different section but the actors have phenomenal chemistry. All from the same novelist.

Both are about solving mysteries and finding killers/villains with family secrets that need to be untangled and solved though in different periods.

Both are about solving mysteries and finding killers/villains with a group of reliable and trustworthy people though in different periods.

Both are about the military and special forces teams as well as the friendships and love formed on the way.