- Is about child that are not taken cared of
-There is controversial justice for the child
-There are parents who neglect or abuse their children
-Just the same feeling overall

Same director, so it creates a similar feel. If you laugh while watching What’s Wrong With Secretary Kim, Because This Is My First Life will make you laugh.
Both male leads don’t believe in love, but end up falling in love.
Funny important person giving advice to the male lead.
Same sound effects.