Because This Is My First Life (2017)

Both have arregent hard to deal with nerds who have been hurt with love, but find romance in the most unexpected ways.

both main leads werent exactly on friendly term when they first met

have multiple couple, weird how exactly there were three couples

but what most similar between both drama is how through those ordinary characters they tackles real life everyday issues and explore human relationship in such an interesting way, though the plot and may seems cliche sometime but they have their own very twist that will leave you grinning by yourself.

both drama also revolve around marriage (not just dating as how most drama are) issue and how society view them

tho both ROMANCE COMEDY genre but actually they have a much deeper story than your usual romcom

another trivial similarity : both male leads failed their first marriage, main leads somehow end up living under the same roof.

Both Dramas deals about Marriage and Relationships, Divorce, Close Friendship, Second Lead couples and delivers relationship hardships and comedic slice of life story.

Falling in love after getting married! Goong has a bit more tears and teenage drama while Because this is my first life is a bit more mature but innocent in a way as well, both are focusing mainly on the development of the main couple's relationship. Also, the main actresses look quite similar.

I recommend this both drama because , Male lead and Female lead
try to solve problem
In one drama explosion and another student murder/suicide

Both dramas are sweet and about two totally different people developing feelings for each other as they learn to depend on the other while living together, although Kimi wa petto is a bit more extreme with the conditions for tenancy ;)

Both deals with relationships, family problems and friendship. They have similar vibe and you can easily understand characters because they have problems like we, ordinary people have. Also I feel like they are both healing dramas, if you know what i mean:-).

To put it simply the similarity is in

the love after marriage genre

A seemingly odd couple composed of a cold male executive who pairs with a younger female and the relationship that slowly builds between. Both dramas start with fake relationships that develop into cute romance.

They both same the same vibe
The main female lead s the same as the supporting lead there and have similar personalities

In both dramas, we have 3 bad$$ female leads and we also get three different perspectives on romantic relationships. "Because this is my first life" is more centered on marriage rather than motherhood.

There’s a similar contract style relationship with a cold male lead and a bubbly and tenacious female lead. The friends are also a mess but interesting. Suspend some disbelief because it’s not on the same level, but it did satisfy the craving for this type of dynamic.

tambem fala sobre casamento e problemas que um casal pode passar com o decorrer do tempo
é sobre um casal que se casa por conveniência mas com passar do tempo eles começam a se amar

fun, friendship based and revolve around girl friends living together. BTIMFL has more romance focus but both have similar strong female leads.

Beautiful friendships, strong females, and thought-provoking scenarios. Also, both are slice-of-life genre.