
Yumi's Cells
What is Yu-mi thinking now?
Yumi is a 30-year old, ordinary woman who struggles with expressing her feelings. Told from the perspective of the many brain cells in her head, she experiences growth in both her love life, her career, and finds happiness in the small joys of everyday life.
Episodes

Episode 1
Cells live inside Yumi's head, a 32 year-old who works at Daehan Noodles' finance department. In her dull life where her main concerns are what to eat or wear, only one thing excites Yumi and her cells — Woo Gi from Sales! He's handsome, gentlemanly, and 5 years younger... Age doesn't matter if he's just a crush, right? Or she thought, but Woo Gi keeps hanging around her. Is this a green light?

Episode 2
Yumi gets to go to the flower festival with Woo Gi, alone! However, Ruby keeps following them and disrupts the date of her dreams before it even begins. The ultimate chase between Yumi and Ruby begins. Meanwhile, Woo Gi makes up his mind to ask Yumi the question that has been on his mind.

Episode 3
Although his first impression was a total bust, Gu Woong turns out to be more decent than Yumi thought. Yumi's heart seemed to be opening up to the easygoing and honest Woong... But why doesn't he reply? Yumi's mind is coming to all sorts of weird conclusions to understand why Woong didn't reply!

Episode 4
Woong ran in the rain to bring Yumi to the hospital. Finally, the door to Yumi's heart that was shut tightly opens up again... Meanwhile, Woong's female friend Sae-yi starts developing weird feelings when Woong starts dating.

Episode 5
Sae-yi, the friend that Woong often mentioned, turned out to be a woman! "Can men and women be platonic friends?" The cells break into a heated discussion. On Yumi's birthday, Yumi visits Woong's game studio and finally comes face-to-face with Sae-yi at an unexpected place.

Episode 6
Having only dreamt of it, Woong finally visits Yumi's house. That night, Yumi and Woong spent an unimaginable night together. At Woong's suggestion, the two of them decide to go on a trip. Yumi's heart races at the thought of a hotel stay with an ocean view, even though her Travel cell is dead. Also Naughty Cell's heart is racing, too...

Episode 7
At a friend's wedding announcement, Yumi mentions that she has a boyfriend. When her friends don't believe her, she proclaims that she will bring Woong to the wedding. But Woong is too busy, she has no choice but to... Just as she was about to give up, another situation crops up where it becomes necessary that Woong attends the wedding.

Episode 8
Rumors about Yumi and Woong's wedding spread like wildfire. However, the two of them have different thoughts about marriage. Meanwhile, someone unexpected appears in front of Yumi as she prepares for a marathon. Who is this guy who found her missing umbrella...?

Episode 9
Yumi finally explodes in anger when Sae-yi moves houses. The breakup alarm gets activated in Yumi's cell village. They risk breaking up if Woong doesn't contact her in 24 hours. While the couple goes through a cold war, Sae-yi takes this opportunity to get between them.

Episode 10
Yumi's Love cell is good at everything, but she has one weakness. Thus, the cells suggest that Ruby becomes her private tutor to help Love Cell! Meanwhile, Ba-bi who has been paying attention to Yumi's social media posts, gives Yumi an unexpected suggestion, making her heart race.

Episode 11
As the two of them start living together suddenly, they learn about the sides of each other that they never knew existed. Both Yumi and her cells grow to like Woong even more. If Woong feels the same too, perhaps they can...

Episode 12
After Yumi brought up the topic of marriage, their relationship grows awkward for some reason. Meanwhile, Woong and Ba-bi attend the same dinner party by coincidence, and drunk Woong forgets everything that happened that night. What could have happened the night before? Woong feels anxious all of a sudden...

Episode 13
Woong breaks Yumi's precious table while changing a light bulb for her. Seeing Woong go to extreme lengths to replace her table, Yumi has mixed emotions... On the wedding day of Woong's friend, Yumi decided to go on a date with Woong after a long time.

Episode 14
Yumi and Woong decide to take a break. Yumi now has to spend time alone when she used to spend it with Woong, so she seeks advice from Ba-bi... After some time, the two of them meet again at the place they first met. What would Yumi's decision be? And what would Woong's decision be?
Trailers & More
About Yumi's Cells
- Creators
- Song Jae-jung, Kim Yoon-joo
- Cast
- Kim Go-eun, Kim Jae-won, Jun Seok-ho, Lee Yu-bi, Mi Ram, Daniel Choi
- Genres
- Comedy, Drama
- Content rating
- TV-PG
- Original language
- Korean
- Production countries
- South Korea
- Status
- Ended
More Like This

Backstreet Rookie
2020 · Series
It tells an unpredictable 24-hour love story of the four-dimensional innocent girl Jung Saet Byeol who was once a troublemaker and the adorkable caring male store manager, Choi Dae Hyun, in the context of a convenience store. They have met each other accidentally 4 years ago, back then Saet Byeol asked Dae Hyun to buy cigarettes for them. Until now, Saet Byeol comes to the convenience store Dae Hyun runs for a part-time job, their hilarious romantic story starts.

Spirit Fingers
2025 · Series
About an ordinary high school sophomore, Song Woo-yeon, who joins a drawing club called Spirit Fingers and paints the story of finding her own color, personality, and dream.

What's Wrong with Secretary Kim
2018 · Series
When his secretary unexpectedly quits, an arrogant executive will do anything to bring her back.

Hello, My Twenties!
2016 · Series
With different personalities, life goals and taste in men, five female college students become housemates in a shared residence called Belle Epoque.

Marry Me, Mary!
2010 · Series
Wi Mae-ri is the cheerful, pragmatic girl who finds herself reluctantly being set up in an arranged marriage by her father. In order to avoid it, she enlists help from an indie rocker Kang Mu-gyul who pretends to be her husband.

Flower Boy Next Door
2013 · Series
Go Dok Mi doesn't spend all day dreaming about her knight in shining armor — she’s too busy spying on her neighbors who all happen to be hot, "flower-boy" types, including cartoon artist Oh Jin Rak. But when Enrique Geum, the new pretty boy next door, catches her, Dok Mi is finally forced to face the consequences - without the safety of binoculars and curtains. Will he be able to convince this “urban Rapunzel” to let her hair down? Whether you’re a lover or a fighter, this sensitive man will captivate your sensibilities.

Girlfriends
2000 · Series
A friend group of black women face life's tests and triumphs together. From dating to divorce, and friends to family to relationships, Joan, Maya, Lynn and Toni support each other despite their differing backgrounds.

Adventure Time: Fionna and Cake
2023 · Series
Fionna and Cake – with the help of the former Ice King, Simon Petrikov - embark on a multiverse-hopping adventure and journey of self-discovery. All the while a powerful new antagonist determined to track them down and erase them from existence, lurks in the shadows.

Playful Kiss
2010 · Series
Clumsy high school student Oh Ha-ni falls for the brilliant and aloof Baek Seung-jo, only to have her feelings rejected. When her family home collapses, Ha-ni moves in with her father’s longtime friend, who happens to be Seung-jo’s father, giving her an unexpected chance to win his heart.

