Almost the same story with HCL being a more mature version of VFT.
-both has pregnancy out of wedlock. Though in HCL the illegitimate child is now an adult while in VFT she has a miscarriage. In VFT male led also is a single father.
- greedy son-in-laws who resort to unethical means to become the President/CEO of a company.
-second chance romance with female leads discovering they can be loved in spite of their pasts.
-VFT is more tender, sweeter and has more affection between ML/FL towards each other while in HCL the love/feelings is spoken about but little demonstration.
-I enjoyed VFC more and it kept me interested most of the time.

-same theme of a group guys who are friends and in their late 30s and are exploring relationships/looking for love.
- sister in love with brother's friend.
-Japanese version is short and has less plots than the Korean Version but similar storylines.

-the abusive,dysfunctional family dynamics are very similar with both brothers believing their parents loves the other brother more.
-both brothers go to prison and eventually mend their relationship with their sibling.
-family healing from past abuse, dysfunction and becoming a family again.

-WMLB feels like a more mature version of My Sunshine. With more adult problems like children,angry exes and complicated life issues.
-similar aspects of college lovers where the FL chases the ML.
-law student in love with a girl that studies something else.
-family secrets that lead to separation of the lovers.

-realization that one is not happy in their current long-term relationships.
-finding personal identity outside of relationships/marriage.
-finding independence, assertiveness and courage to move on.
-unhinged and controlling partners who use emotional manipulation to stay in marriage/relationships.