Although set in different centuries, one is in the Joseon era and the other is in the 20th century, both are about Koreans defending their country against the Japanese invasion.

They are both about someone who is looking for a beloved someone they love who suddenly went missing.

Both shows have almost the same MCs, and they both aim to introduce the cultures of different countries around the world. While Abnormal Summit discusses the cultural differences between those countries, Where Is My Friend's Home pays these countries a visit to personally discover their cultures.

Both are about a cop who chases a psychopathic serial killer just after seeing someone they care about violently murdered.

Both are about men who turn into "monsters" trying to get revenge after seeing someone they know being violently murdered.

Each of the dramas describes a forbidden love story between two people that are not supposed to fall for each other.

They are both about a forbidden love story of a man who fall in love with two sisters. While 'Which Star Did You Came From?' is a light-hearted drama, 'Snowman' is more tragic.