Goblins, Curses and Second Chances: A Guide to K-Drama Fantasy Romance Tropes

After a few K-dramas, you start to notice a pattern. A centuries-old being falls for an ordinary human. Two strangers turn out to be connected by a past life. Someone travels back in time to save the person they love.

And yet, somehow, we keep watching. This guide breaks down six of the most common fantasy romance tropes in K-dramas, explains why they work so well, and points you to four shows that show them off at their best. Everything here is spoiler-free.

Tropes at a glance

1. The immortal and the human

What it is: A being who has lived for hundreds, or even a thousand, years falls in love with a mortal. Korean folklore creatures like the goblin (dokkaebi), the nine-tailed fox (gumiho) and the grim reaper often take the lead role.

Why it keeps coming back:

• Korean folktales have long featured creatures who get tangled up in human lives. K-dramas reimagine them as lonely, romantic heroes instead of scary monsters.
• A quick note for English speakers: the Korean dokkaebi is not the Western goblin. Where a Western goblin is a nasty little troublemaker, the dokkaebi of Korean folklore is often playful, close to humans and sometimes generous.
• An immortal has to watch the person they love age and leave. That built-in heartbreak makes the romance feel deeper.

2. Reincarnation and past-life ties

What it is: Two people who seem to be meeting for the first time were actually connected in a previous life. One of them may have spent centuries waiting.

Why it keeps coming back: Buddhist ideas about rebirth and inyeon, the belief that meaningful relationships are bound by fate across lifetimes, are deeply woven into Korean culture. The trope gives characters a second chance and lets viewers ask, “Could we get it right this time?”

3. The time slip

What it is: A character travels to the past, or someone from another era lands in the present, usually by accident.

Why it keeps coming back: Time slips are one of the most popular subgenres in Korean television. K-dramas tend to focus on the emotion and the romance more than the science, so you do not need to follow complicated time-travel rules to be swept up in the story.

4. Possession

What it is: The soul of a person from another time takes over a modern body. Their old-fashioned speech and values crash into the present day.

Why it keeps coming back: The clash between historical-drama dialogue and modern life is automatically funny. It is also a clever way to see everyday modern Korea through fresh eyes.

5. Curses and the price to pay

What it is: The hero or heroine is bound by a curse, and love, or sacrifice, may be the only way to break it. Nothing comes for free.

Why it keeps coming back: A price raises the stakes. When someone must give something up for love, every choice carries weight, and viewers find themselves asking what they would be willing to lose.

6. Fated separation and reunion

What it is: Two people who love each other are torn apart by forces beyond their control, and then, after time passes, they meet again.

Why it keeps coming back: K-dramas are known for letting sadness linger, which makes reunions feel huge. The question underneath, “Would you love me again if we could start over?”, is the heart of the whole genre.

Four fantasy romances to start with

1. Goblin (2016)

Starring: Gong Yoo, Kim Go-eun, Lee Dong-wook, Yoo In-na (tvN) The setup: Kim Shin (Gong Yoo) is an immortal goblin doomed to wander the earth until he finds the “goblin’s bride,” the one person who can end his long life. Then a high school girl named Eun-tak (Kim Go-eun) shows up claiming to be exactly that. A grim reaper (Lee Dong-wook) shares the goblin’s home and adds to the story.

Tropes you’ll spot: immortal being, reincarnation, curses and sacrifice, fated separation Start here if: you are new to Korean fantasy romance. It is often credited with opening a new era for the genre. See more from Gong Yoo and Lee Dong-wook.

2. Hotel Del Luna (2019)

Starring: IU, Yeo Jin-goo (tvN) The setup: In the middle of Seoul stands a hotel that only welcomes ghosts. Its owner, Jang Man-wol (IU), has been bound to the place for a thousand years, until an elite hotelier named Koo Chan-sung (Yeo Jin-goo) arrives as her new manager.

Tropes you’ll spot: immortal being, curses and sacrifice Start here if: you like romance with a side of emotional stories about souls who cannot move on.

3. Lovely Runner (2024)

Starring: Kim Hye-yoon, Byeon Woo-seok (tvN, 16 episodes) The setup: Im Sol (Kim Hye-yoon) is a devoted fan who is crushed when her favorite star, Ryu Sun-jae (Byeon Woo-seok), dies. Then she finds herself traveling back in time with a chance to save him.

Tropes you’ll spot: time slip, fated reunion Start here if: you want a swoon-worthy romance with fangirl energy and K-pop vibes. It leans into classic rom-com moments, including several “rescued by an umbrella” scenes in the first episodes.

4. My Royal Nemesis (2026)

Starring: Im Ji-yeon, Heo Nam-jun (SBS; streaming on Netflix) The setup: Kang Dan-sim, a scheming Joseon-era villainess, is wrongly sentenced to death. Three centuries later, she wakes up in the body of a struggling modern actress named Shin Seo-ri. Soon she crosses paths with a cold, calculating chaebol heir, Cha Se-gye (Heo Nam-jun).

Tropes you’ll spot: possession, past-life ties, enemies-to-lovers Start here if: you love comedy and a fish-out-of-water heroine. It reportedly topped Netflix’s non-English TV chart, and its dialogue turned into memes among overseas fans. Read our scene breakdown of episode 4.

Streaming catalogs change often, and each country is different. Search any title on WatchKorean to see where it is streaming near you.

Final thought

Think of tropes as a favorite recipe: the same ingredients, cooked differently every time. Once you know these six, you will start to enjoy spotting how each new drama twists a familiar idea.

Not sure where to watch your next fantasy romance? Search it on WatchKorean.