The Secret Romantic Guesthouse

Sinilarities:
- Both are historical dramas with comical elements.
- FL in both dramas is surrounded by multiple MLs with whom she forms a friendship.
- MLs have a hidden past / agenda.
- There is a love triangle in both but in H it's more present than in TSRG

Both dramas are about a woman who lives with some men who are not part of her family, eventually creating bond with them and finally involved in romantic scenario with one of them

Min Jae Yi, a gentle and poised daughter of a prominent family, is engaged to the son of a powerful State Councillor. Devoting herself to learning everything she needs to know to become a good wife and mother, Jae Yi dutifully prepares for the future. Sadly, destiny has other plans for her future.

Just days before her wedding, tragedy strikes when her family is brutally murdered, and Jae Yi is falsely accused of the crime. Amidst the turmoil, she crosses paths with the cursed crown prince, Lee Hwan, who agrees to help her in exchange for her assistance in breaking his curse. As they navigate their challenges together, Jae Yi and Lee Hwan begin to develop unexpected feelings for each other. But their love faces countless obstacles, including their pasts, their uncertain futures, and the threat of the curse. Can they overcome these challenges and find a way to be together?

Comedic film of a fusion-historical genre. Cute lover boy Heo Saek becomes Joseon's first male gisaeng and a flower-like woman named Hae Won who thinks ahead of her time, search for true love together.

Both are historical dramas with smart, resourceful female lead who makes her own way in the world. Both feature a mix of comedy, romance and political struggle.

Lee Heon is the king of Joseon. 7 years ago, when he was a crown prince, his beloved wife died. To this day, he has not been able to get over her death. For the past 7 years, the royal family and government members have tried to get King Lee Heon remarried without success. The nation has also implemented a geumhonryung edict, which is a ban on all single women marrying during this time when the king has not married. People are furious over the marriage ban. One day, King Lee Heon hears of a woman named Ye So Rang, who claims the spirit of the king's late wife exists within the royal palace. Meanwhile, Ye So Rang is a swindler and claims to interpret marital harmony signs. She is arrested and jailed where Officer Lee Shin Won works. To get out of her predicament, she pretends to be possessed by a spirit in front of Lee Shin Won. During her ruse, she mentions that the spirit of King Lee Heon's late wife exists within the royal palace. She is then brought in front of the king and he asks her if she can really see his late wife's spirit. To survive, Ye So Rang acts like her body is possessed by the king's late wife. Ye So Rang's lies get bigger and more audacious.

Yu Jin was raised within the desert tribes of Xiong Nu, although her foster father is a Han. Under certain circumstances, she was forced to flee to Chang'an, the then capital of the Early Han Dynasty, changing her name to Jin Yu along the way. Along her journey, she first meets the calm and kind Mo Xun (aka Jiu Ye, ninth master) and later the handsome, cold general Wei Wu Ji. Jin Yu falls for one of them but is rejected. Will she untangle her love knot? Who will she choose in the end?

Kim Boong Do is a scholar who had supported the reinstatement of Queen In Hyun when Jang Hee Bin's schemes resulted in her being deposed and replaced as King Suk Jong's queen consort. He travels 300 years into the future of modern Seoul and meets Choi Hee Jin, a no-name actress who is expecting a career renaissance through her role as Queen In Hyun in a TV drama

Both sageuk portrays independent FL falling for the ML without knowing their real identity, and has very interesting characters and relations surrounding them. Also includes the unavoidable political plotline every historical drama has. There's a good balance of humour and seriousness.

Both are historical dramas in which the ML is a prince who ends up on the run outside the palace, and helped by the FL who is unaware of his identity. Both MLs have a half brother who palace people are scheming to put on the throne in his place.

In 1867, Sin Jae Hyo leads the Dongrijungsa, which teaches pansori (traditional Korean musical storytelling). A young girl, Chae Seon, who wants to perform pansori, appears in front of him. Chae Seon has dreamed of performing pansori since she first heard Sin Jae Hyo perform when she was little, but Sin Jae Hyo turns her down because women are not allowed to perform pansori. Chae Seon then disguises herself as a man and enters the Dongrijungsa to learn pansori, but Sin Jae Hyo doesn’t accept her as his student. One day, he hears Daewongun, the most powerful man in Joseon and the father of the King, is going to hold a national competition of pansori performers known as “Naksungyeon”. Sin Jae Hyo decides to teach Chae Seon, who has a true voice to perform “Chunhyangga". If anyone finds out that Chae Seon is a woman, Sin Jae Hyo and Chae Seon will both face death.

Samet story of Searching for the missing crown prince, although the story is different. It was Jang Uk, who turned out to be the crown prince, that is, his father's soul was king but his body was eunuch. Unlike Lee Seol, he ran away from the kingdom but he slipped away by taking the test of becoming a soldier.

Crown Prince Yi Gak finds that he has been transported from the Joseon Dynasty to modern-day Seoul. He meets Hong Se Na, who bears a striking resemblance to his dead wife, and is determined to solve the 300-year-old mystery of her death. With his own resemblance to the CEO’s grandson at the company where Se Na works, Gak assumes the identity of the young man to stay close to her. Can the Crown Prince navigate a modern corporation to find clues to his own time period?

Both share a FL running an inn/boarding house, a ML who lost his father which causes him to hide his identity, & a family secret.

It is believed that when a person dies, their soul spends 49 days in Jungcheon, or Purgatory before their eternal fate is decided - heaven, hell or rebirth. That's where accomplished demon hunter Yi Kwak finds himself as he lies on the edge of death in our world. Blessed with astounding swordsmanship and the uncanny ability to see the evil spirits invisible to most, Yi enlisted with the royal squad of elite demon exterminators, the Chuhyongdae, following his fiancee's tragic death. In Jungcheon, he finds Yon Hwa again, but she does not recognize him - she is a spirit of the afterlife now, severed from earthly memories. Moreover, she is deeply entangled in a great war between the white-clad warriors of reincarnation and a swarm of dark spirits determined to forever shatter the cycle of life and death. The battle is desperately close to a terrifying conclusion, so Yi must draw his sword to defend the woman he loves and all they hold dear - and confront the same soul that was once like a father to him.