Case Comigo! (2020)

Takenouchi plays an aquarium employee named Kengo, who seems ordinary at first glance but actually possesses a secret that he would sacrifice everything in order to protect. Meanwhile, Ueto plays Risa, a young woman working in the sex trade in order to pay off her brother's debt, though her situation has led her to contemplate suicide. These two characters, both full of despair, meet each other and end up entering a contract marriage purely for its benefits. However, as they overcome various troubles, their relationship begins turning into true love.

Yuki Rio, the daughter of an old, prestigious family in Kyoto with over 1,000 years of history, enters into an arranged marriage at the age of 16 with a man she’s never met. Her husband is Takamine Masatomo, a handsome CEO in the IT industry. Every year on her birthday, she would receive 50 million yen, making their relationship one based solely on money. One day, after ten years had passed with no contact, Rio decided to move to Tokyo. She asks her husband, whom she’s meeting for the first time, for a divorce. On the other hand, Takamine finds himself unexpectedly attracted to Rio and doesn’t want a divorce. Thus begins a romantic battle between a wife who wants a divorce and a husband who refuses to let her go.

ML is an actor but not too popular anymore & broke so he rent a room in FL house.
FL is a nerdy geeky/otaku girl who like to imagine & day dreaming about romance with her favorite manga/comic book character. Remind me of Rainie Yang & Jiro Wang drama....& still 1 of my favorite drama....If you like this genre this is a must watch romance comedy drama....

The story follows 28-year-old civil servant Akiyasu Shin as he's chosen to take part in a new government program under the so-called "NEET protection law". This project pairs government employees with NEETs, as a means to rehabilitate them and re-introduce them into society. Problem is, his chosen partner, Sawamoto Himari, was signed up without her knowledge! Will Akiyasu Shin end up winning her over? Or will this arranged marriage be a bust!?

~~ Adapted from the webcomic "Marry Me!” by Miku Yuki.

Both dramas show the love blooms between the main leads after marriage. But Marry Me! is less angst and easier than The Sword and The Brocade. The male lead in The Sword and The Brocade has more than a wife while in Marry Me! the male lead has the female lead as his only wife.

Ayaka, who works at the bridal department at a hotel, has a beauty that everyone recognizes, yet her personality is the worst. Everyone calls her a "wicked woman" after the way she wraps numerous men around her finger. The one who sets his eyes on her is the hotel's new executive Togo, who is the son of a very powerful person of the town. What are the orders that this King-like man requests of her!?

In Kyoto, soon after the war, Ichika strives to save her family's long established ryoten restaurant from financial crisis. In order to do so, she marries Yamaguchi Amane, who is 15 years younger, in a marriage of convenience

Bo Eun is an ordinary high school girl who worries about SAT's and has a crush on her school's baseball team ace, named Jung Woo. One day, Bo Eun's grandfather orders her to marry Sang Min. When they were very young, Bo Eun's and Sang Min's grandfathers had promised that they would become in-laws. Despite their opposition, they are forced to marry because of the strong influence of Bo Eun's grandfather. Bo Eun's undercover married life begins: She pretends that she doesn't have a husband and starts dating Jung Woo. Bo Eun believes that she can manage both men and live a double life. Everything goes smoothly until Sang Min visits Bo Eun's school as a student teacher.

Both FLs are very shy, reclusive, and have past trauma. MLs are more outgoing and slowly coax the FL out of her home/shell.

The similarities:
The arranged marriage
In both the dramas female leads not very interested or thought about this marriage but in goong male lead is strongly against the marriage
Slow process of falling in love after marriage ,living together

Both have very withdrawn FLs who slowly gain confidence over the course of the story, and more extroverted MLs.

Rinka is single and works as a wedding planner. She is not good at dating men. Her colleague suggested to her to try a dating app. Rinka reluctantly registers with the dating app and gets matched to a man. When they meet, the man has a totally different appearance from his picture on the dating app. He seems like an ordinary man, but Rinka feels something is not right about him. Meanwhile, a series of murder cases takes place. The victims were all users of the dating app. The man that Rinka met through the app is investigated for the serial murder cases.

Kitty desperately seeks true love, sometimes foolishly. She runs into her biological mother, only to discover her step father is a peeping-Tom. She elopes with her classmate A Liang, but eventually betrays him. She finds comfort from Xiao Gu whom she met online, only to discover he is married. Kitty then meets Sunshine who gives her the love she wants, but she starts to doubt his feelings for her.

Shoji Shoko is a 26-years-old beautiful woman who works hard and is admired by everyone. The problem she has is that she’s still a virgin. To change herself, she decides to move into a love-hunting sharehouse called “Love House", and she ends up living with six other people; three guys and three girls. Relationships in the "Love House" become complicated, and Shouko's love life takes an unexpected turn.

The story maybe different between these two, but both main leads have pretty similar character. Both female leads are very shy and kind hearted girl, and both male leads are also kind and caring person. Very cute and fluffy couples.