Time Travel

FL travels back to the Goguryeo era in her car (along with her manager).

FL falls into a river (iirc) and travels back in time to the start of the Goryeo Dynasty.

ML falls down a staircase and travels to the future from 1993 to 2017.

ML and FL get a divorce and throw away their wedding rings. When they wake up the next day, they find themselves in the year 1999, before they had met.

FL listens to a cassette tape and travels back to the year 1998, where she is stuck in the body of someone who looks exactly like her. There, she meets a boy who looks exactly like her (presumed) dead boyfriend.

ML (FL) falls from a building and wakes up in the body of the queen during the Joseon Dynasty.

In order to change their lives, ML and nine other people travel one year into the past.

FL jumps into a puddle and travels back to the Joseon Dynasty.

ML can travel back and forth in time by taking the subway.

FL finds herself in a time loop when the bus she is riding suddenly explodes.

ML is driving through a tunnel and suddenly finds himself in the year 1989. There, he meets his mother when she was younger.

ML and FL live in the same apartment but one year apart. However, at 10:06 their apartments merge.

FL tears a photograph of herself and her best friend when they were in high school and travels back to the time it was taken.

FL burns photographs taken by her dead crush during the high school days and travels back to the time they were taken.

FL deletes a message from her old phone and travels back to the time the message was sent.

ML discovers a car that can travel through time. One day, while trying to travel back in time, he almost runs the FL over, crashing the car and leaving both stuck in the year 1987 until they can fix the car.

FL gets thrown into a water well and travels from the Joseon period to modern-day South Korea, where she finds a man that looks exactly like her dead husband.

Betrayed by her husband and her best friend, FL dies. She then travels 10 years back in time and decides to get revenge.

FL becomes an evil empress but later regrets her decisions and kills herself. She then finds herself in her 18-year-old body, before entering the palace.

ML is able to travel back in time, but only to happy times in his life. He can't change the past, so he can only dwell on those happy moments.

FL's favorite singer (ML) dies. Devastated, she falls into a stream, holding the ML's watch. She is then transported 15 years into the past.

After fighting with his father, ML sells his guitar at a mysterious music instrument shop. When he exits the shop, he finds himself back in 1995, when his father was the same age as him.

FL gets into a car accident and travel one year into the past.

ML chases a thief through a portal back into 1938.

FL gets sent back in time to prevent the Demon Lord from resurrecting.

FL dies and falls through a portal which leads her to the past.

FL reads the first page on a cookbook from the Joseon Dynasty and gets sent back to that time period.