Thai version.

Vita is a rookie genius in psychological research. Her brain works as if there were a rapid generator in it. In fact, it is a gifted talent as a snail. Upon joining the police force, she is facing the fate of getting removed due to her weak physique. Since Officer Prach is the only one who can help her, Vita tries everything to make Prach take her in as his mentee. As the captain of the Police Investigators Team (PTI), Prach is one of the few brilliant, experienced, and skilled investigators.

At first, Prach does not take a liking to Vita. Besides, both are not on the same page regarding how to deal with cases. However, having joined hands and solved a series of cases

SEASON 2
Although Itsuki and Fuyu were once separated despite their feelings for each other, they successfully reunite with the understanding of Fuyu’s husband and their daughter. They spend happy times together, filling the gap from the period they couldn’t meet, talking a lot, and embracing each other.

However, Fuyu’s first love appears before Itsuki, and Fuyu’s mother, who disapproves of their relationship, continues to monitor them, creating a tense atmosphere between the two. How will they overcome the trials that come their way after finally being together?

Hee Ram and Ga In met in a general education class, Psychology of Love and Sex class. In this class, students have to perform a dating mission as a mock couple. A hard-working student, Hee Ram, and an easy-goer, Ga In, don't quite get along with each other from their first meeting.

Here it's season 2 after they were kind together at the end of 1st season.
They weren't offical

story of Min and June friends since high school. June is the first love of Min. Min try to keep a secret and try to keep away from June.
And In the day June has a problem, she wants Min pretend to be her girlfriend to tease her mom.

Thing in commun both are friends and where one is in love and thinking its one side love.
The difference is the plot.

When E Jae's mother brought in a boarder without telling her, the differences between her and Woo Ri seemed too significant to get along. But, sure enough, they eventually became a couple. We're not here to talk about that though. This is the tale of how they broke up.

Both spoke about a break up and both have an happy ending :) :)

It's like the movie, the difference FL instead of ML in the movie.

Han Se Gye is a top actress, also known as a troublemaker, with many rumors around her. To others, her life appears as a mystery, when in fact she is faced with a strange occurrence where she must change into a different body and new identity for one week a month. She encounters Seo Do Jae, a brilliant man who is an executive at an airline company. He seems to have it all: a perfect appearance, knowledge, and a good job; but he has a secret too. He suffers from Prosopagnosia, the inability to recognize faces. However, he manages to hide this from the world, every day he makes an effort to remember people by their personalities.

Season 2 of Claire and Praew's story in 86,400 seconds.
Not espacially same plot, but same author so if you search something with no drama and HAPPY ENDING, its for you.

Like I said in other drama.
It's from the same author
What I like about it HAPPY ENDING .
Of course it's short, but I like it no drama in it.

It's a movie kind of prequel or season 1.
About their meeting.
Then author make a season 2 about them

When she becomes the cream in the coffee and she becomes the vitamins in the routine. Meet P’Pun and N’Ava again with their love story in a good atmosphere among waves of the sea.

My coffee shop, which only smells like roasted coffee but you come to fill up the smell of love
“You make my coffee shop complete“

Because of a misunderstanding, Punch and Fai have to move to the same house.

Although Fai is a quiet and kind person, Punch is a naughty girl. During their time together, Punch always makes Fai upset. But this situation has made them get to know each other better - to the point of having to turn around and ask themselves what they really think.