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I love both series and movie a lot. Both series and movie give the viewer a similar feeling while watching, because they have a unique plot.
With both series and movie I had to smile and cry a lot because the characters are so special and many moments are realistic .
The series are similar in structure and transferred feelings.
There are lots of facial expressions!

-Eccentric male lead
-Buddy cop
-Set in an "outcast" police division
-Black comedy
-Both are episodic

Again, falsely accused MCs, prison life (TW for rape in the movie, for OOD is still too soon to know what's in stall for the people implicated), deficient judicial system.

Differences (so far, the drama is only in the first quarter): FC is a lot more action-oriented and involves escape.

Falsely accused MCs, prison (lots of prisons), defective judicial systems, police/prosecutors fabricating or neglecting evidence. And good actors. "Defendant" is a lot more melodramatic, I expect "One Ordinary Day" to try and keep it more together, for the sake of being more noir.

Both Melancholia and Lost are TVN's 15th and JTBC's 10th aniversary projects, respectively. Leads have overflowing chemistry and share a special bond, portrayed over a beautiful story with amazing cinematography. FL and ML have a similar age gap. Both are slow burns where leads deal with alot of suffering and heal each other.

Similar story about a female councillor /psychologist who deals with multiple cases and go through difficulties and A male psychologist .
In "the psychologist" the male lead is the female lead school mate just like in "from survivor to healer" the male lead is female lead 's university mate .

This drama is the most related and similar dramas if you wanna watch a drama like "the psychologist"

The love triangles in these two dramas feel similar to me.

Ps. This is coming from someone who has only watched "Lovely Writer". I have watched the trailer and a couple edits for "Love With Benefits", so take this suggestion with a grain of salt...

Both shows center around a family of five consisting of an older brother who sacrifices his own interests for his family, a younger brother trying to make something of himself, a younger sister still in high school, and a father a bit on the eccentric side.

The two shows are also rare entrants in their respective series with dual protagonists. Revice having Revi and Vice and R/B consisting of Rosso and Blu.

The heroes in Revice also use inner demons to transform, sort of like how the Ultras choose a human as a host.

"Friend and Kiss" is a spin-off for "A Beauty of Revenge". I recommend watching "Friend and Kiss" if you were a fan of the Young Jae x Yeo Bin ship :)

Both Bad Buddy and 2gether have homosexual elements. Also, the setting of the story in both dramas involve campus life and music themes. Both shows also feature handsome male leads.

Recommanded by PL : Bodyguard Dad Diew is similar to YYTWTPF because both deal with the story of bodyguards who's aim is to protect his beloved princess until her coronation.

Leh Rai Ubai Ruk is similar to Yark Yood Tawan Wai Tee Plai Fah because both deal with a foreign pincess who avoids her true princess identity and leads a normal woman's life until her return to get the throne in her native country.

Luerd Kattiya is similar to Yark Yood Tawan Wai Tee Plai Fah because both are aired on Channel 5 and tell the love story between a princess and her bodyguard.
The most common point is the end which is quite sad for both since in the first one (YYTWTPF), both characters will continue their life separately and for the second, the princess orders to execute her beloved bodyguard.

Recommandation from PL : Buang Banjathorn is similar to Tawipop because both deal with the story of a contemporary woman who is attracted by an ancient object (mirror or bed) and is finally able to travel the time and go back to the past thanks to this object. Both woman finally fall in love and marry with a man from another time period and decide to leave the present to live in the past.

Recommandation from PL : Dok Kaew Karabuning is similar to Manee Yard Fah because both deal with beautiful princesses from foreign countries who fall in love with a thai man. Both dramas are set in a foreign country with beautiful princess costumes.
The singer of both opening themes is Joy.