See You in My 19th Life

Reincarnation, past lives, and the concept of death vs. life/immortality are very major themes in both series, only the FL is the supernatural being in SYIM19L, whereas the male lead is the supernatural being in Goblin. There is also bromance between the male leads in both series. Goblin is slightly more melodramatic and poetic than SYIM19L, but if you liked the romance in Goblin, you'll definitely enjoy the romance in SYIM19L.

The 2nd couple is similar (2nd ML: Stoic, 2nd FML: a little sunshine) -- The 2nd ML keeps denying it at first and see himself not worthy for her

If you love Ahn Bo Hyun's dramas then this is a must watch for you.
In both dramas he plays as the son of a rich family.
Both have good amount of comedy.
Seeing Ahn Bo Hyun in this series, you will definitely love the different side to him in See You In My 19th life.
Both dramas have smart and badass female leads so it will be fun to watch the main leads.

Both have similar vibes in music and eerieness.
Both have peculiar female lead
Both have romance genre

Both are interesting and captivating dramas, they have a common plot in which the protagonist is an immortal being who remembers their past lives, they begin to surround themselves with people who have been an important part of their previous lives and seek to heal those wounds that they have left open. Both dramas feature great actors and actresses, have an amazing OST and a plot that will grab you from the start.

The story about Ban Ji Eum has the ability to remember all her past lives, living through countless reincarnations for nearly a thousand years. After a tragic accident ends her previous life, she seeks to reconnect with the people from that life, focusing on Moon Seo Ha, whom she met in her 18th life. As she navigates her 19th life, will memories of her past hinder her romance, or can love endure across lifetimes?

Reincarnation, meeting past lover again.

One of the characters doesn't know that his/her past lover has been reincarnated.
Both still harbor feelings towards each other.

-Both are supernatural romances with one person living for hundred of years and the other being a high powered CEO and heir to a fortune.
-Murder plot mystery
-Opposing personailty secondary couple including a secretary
-Traumatic past lives
-Call backs to Korean culture and history
-Lost memories of first life
-Mysterious person who knows more than let on about the supernatural
-Strong female characters

1. Genre Blending (Fantasy & Romance)

Both series are primarily romantic K-dramas infused with fantasy elements. Rather than typical slice-of-life or straightforward high school/corporate romances, both stories inject extraordinary or mystical phenomena right into the core of their romantic pairings.

2. The Theme of Hidden Memories

• Summer Vacation: Follows an ordinary 18-year-old high school student whose holiday takes an unexpected turn after a strange incident leads her into a mysterious story of love and hidden memories.
• See You in My 19th Life: Centers on a woman who retains the memories of all her past lives, navigating how these reincarnation memories affect her quest to reunite with a childhood love from her 18th life.

3. Disruption of Monotonous Routines by Fate

In both dramas, a main character lives a highly restricted or repetitive life before a fateful encounter changes everything:
• In Summer Vacation, the male lead lives a flat, colorless existence strictly dictated by traditional family rules until the female lead arrives.
• In See You in My 19th Life, the male lead is trapped in grief and rigid habits until the female lead deliberately inserts herself into his life using her past-life knowledge.

Both dramas tell moving love stories with reincarnation as a major plot device. See You in My 19th Life focuses more on a love story between two people. Chicago Typewriter tells the story of three protagonists whose past lives are part of a historical era that marked the entire country. But both dramas explore the kinds of emotions, bonds, and actions that leave marks too powerful to erase.

Both are dramas that carry themes of reincarnation, childhood friendship, love & death............................

Both shows feature timeslips events and both leads are looking forward to connecting with people in past years in order to change their fate.

Both have a similar fairytale like feel for the first half. Both have scheming rich families, a ML who begins the drama by losing his mother and in the present day storyline has trauma as a result of his childhood, and a magical, flirty, and eccentric FL.

• Both dramas utilize a fantasy concept centered around altering or navigating fate. Lovely Runner centers on time travel, whereas See You in My 19th Life explores reincarnation across multiple lifetimes.

• Proactive Female Leads: The female leads in both shows are driven by a singular mission to find, heal, and save the male lead from a tragic event or trauma.

• Deep Childhood / Past Connections: The romantic pairs share a hidden or forgotten history from their younger days that heavily influences their adult destinies.

• Webtoon and Web Novel Origins: Both hit series are live-action adaptations of popular Korean digital works - Lovely Runner is adapted from a web novel, and See You in My 19th Life is based on a famous webtoon.

• Fantasy Romance Genre: Both stories blend romantic relationships with supernatural or metaphysical elements.
• Overcoming a Tragic Accident: A pivotal, near-fatal, or fatal accident serves as the primary catalyst for the entire plot in both series.
• Saving a Past First Love: The female lead is driven by a powerful mission to rescue, reconnect with, or change the tragic fate of her first love.
• Altering Time and Destiny: Both protagonists manipulate the laws of time and mortality—one via a time-slip mechanism and the other through sequential reincarnation.