Fauna din Itaewon (2020)

Both male leads are going for revenge, because of betrayal. They have this kinda mean personality but a soft spot for the people they hold dear. By their side is this one hard working and smart female lead who will do anything for the male lead out of love no matter how deep the trouble gets. Female lead is the only one who sees male lead for who he really is which is actually a person with a very serious trauma and a feelings that has been hidden deep inside male leads heart. They both creates a connection which leads to success.

MAYBE CONTAINS SPOILER

main lead has a tragic past
in both of them, there is a bad chairman who ruins others life by bribing police, prosecutor or teacher
also the main character suffers from injustice
(not) the main villain is psychopath

Similarity on the long-term goal that two leads made with each other from their late childhood years.

Park Saeroyi's life has been turned upside down after he gets expelled from school for punching a bully and his father is killed in an accident. Following his father's steps, he opens a pub named "DanBam" in Itaewon and, along with his manager and staff, strives towards success and reaching greater heights.

Both have the main plot revolving around the male leads, both shows their start up of their journey to reach their goal.