
Both are Korean BL dramas that are a bit dark and talks about issues such as broken families and depression. Both also have a love triangle (or square). There are 3 guys liking the same guy in Secret Relationships and 2 guys liking the same guy in Love for Love's Sake. There is no red flag love interest in Love for Love's Sake which is a lighter show while there are many red flag love interests in Secret Relationships which is way more toxic.


Both of them are directed by the great Yang Kyung Hee, so the atmospheres are rather similar.
They both have psychological elements and psychopathic attributes in a supporting character.
Yang Kyung Hee has also undoubtedly included references from The Director Who Buys Me Dinner to Secret Relationships, for example some cinematic shots in SR resemble some scenes in TDWBMD. (like Da On's and Jae Min's fancy dinner scene + Dong Baek's and Yu Dam's first dinner date)
They both have psychological elements and psychopathic attributes in a supporting character.
Yang Kyung Hee has also undoubtedly included references from The Director Who Buys Me Dinner to Secret Relationships, for example some cinematic shots in SR resemble some scenes in TDWBMD. (like Da On's and Jae Min's fancy dinner scene + Dong Baek's and Yu Dam's first dinner date)





In both Korean BL dramas, the main character has a string of romantic relationships with numerous other guys. In Secret Relationships, 3 guys chase 1 at the same time, while in Love in the Big City, the MC has bfs one at a time. Both dramas have characters that showcase messy and toxic traits that explore the reasons for falling in and out of love.

Both are BL dramas with red flag love interests, toxic behaviour and love triangles. There is some mystery and guessing who is gonna finally be together or even get out alive. 4 Minutes is a Thai BL with a main couple and a side couple (with a love triangle) while Secret Relationships is a Korean BL with 3 guys chasing after 1.

Both are dark BL dramas with red flag love interests, broken families and toxic behaviour. There is some mystery and suspense about what the plot will be next as it gets increasingly dark. Happy of the End is a Japanese BL with a main couple while Secret Relationships is a Korean BL with 3 guys chasing after 1.

It's not too similar but i kind of get the psycho vibe of both jin and jaemin being like "im the only one that can have him and stuff" but i think from how far i am in secret love its more toned down than secret relationships but they are both amazing BL's in my opinion (edit: it gets past the possessive bit fast but they are both still a bit similar)

