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Season guide

Yumi's Cells: Yumi's Cells

14 episodes Premiered Sep 17, 2021 Updated Jul 26, 2026

Yumi's Cells is a television series that follows the story of a 30-year-old woman named Yumi. After experiencing a painful breakup, Yumi's "love cells" fall into a coma, leaving her daily life dull and romance-free. The series explores Yumi's journey as she navigates her emotions and meets a man named Gu Woong, a game developer who sparks an unexpected connection. As Yumi and Gu Woong develop their relationship, her

Season overview

Yumi's Cells is a television series that follows the story of a 30-year-old woman named Yumi. After experiencing a painful breakup, Yumi's "love cells" fall into a coma, leaving her daily life dull and romance-free. The series explores Yumi's journey as she navigates her emotions and meets a man named Gu Woong, a game developer who sparks an unexpected connection. As Yumi and Gu Woong develop their relationship, her cells work to reignite her heart and help her find love again. The series is classified as a comedy and drama, and is intended for a general audience.

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Episodes

S1·E1

Episode 1

Sep 17, 2021 · 61 min

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 excit

S1·E2

Episode 2

Sep 18, 2021 · 62 min

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

S1·E3

Episode 3

Sep 24, 2021 · 69 min

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... Bu

S1·E4

Episode 4

Sep 25, 2021 · 62 min

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 develo

S1·E5

Episode 5

Oct 1, 2021 · 67 min

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

S1·E6

Episode 6

Oct 2, 2021 · 71 min

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

S1·E7

Episode 7

Oct 8, 2021 · 67 min

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

S1·E8

Episode 8

Oct 9, 2021 · 62 min

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

S1·E9

Episode 9

Oct 15, 2021 · 62 min

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. Wh

S1·E10

Episode 10

Oct 16, 2021 · 61 min

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 payin

S1·E11

Episode 11

Oct 22, 2021 · 67 min

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 W

S1·E12

Episode 12

Oct 23, 2021 · 64 min

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 Woo

S1·E13

Episode 13

Oct 29, 2021 · 63 min

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 Wo

S1·E14

Episode 14

Oct 30, 2021 · 62 min

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 mee