They were both written by the same writer. Both have the same feels in regard to the chemistry between the main leads.
Live is similar to Misaeng in that the characters are so loyal and caring to one another. The characters have a cute and touching relationship.
Both dramas were written by the same writer. I saw a lot of similarities in the characters. The male lead had somehow similar characteristics. They were rude and rough, although this characteristic did made them humorous characters. Also, some people think that the female lead from Black and God's Gift were annoying. In addition to this, both involves struggles with the government/ people with great power. Also, the place of incident in both were in Moojin.
Both dramas have characters with great chemistry and detailed personalities. But more importantly, they both teach us valuable lessons that can actually be applied in real life. Both dramas are also centered around the workplace. In Misaeng, it is a trade company, while in Romantic Doctor Kim it is in the hospital.
Both has a supernatural element to it. In Goblin, Eun Tak can call him by blowing a candle. In Master's Sun, Tae Gong Shil can avoid ghosts by touching him.