Comedy Drama
7.7/10 2021 · 3 Seasons· 36 Episodes · Ongoing ·KR

Creator: Song Jae-jung, Kim Yoon-joo

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.

Cast

Kim Go-eun
Kim Go-eun
Kim Yu-mi
Jinyoung
Jinyoung
Yoo Ba-bi
Kim Jae-won
Kim Jae-won
Shin Soon-rok
Ahn Bo-hyun
Ahn Bo-hyun
Ku Woong
Jun Suk-ho
Jun Suk-ho
Ahn Dae-yong
Park Ji-hyun
Park Ji-hyun
Seo Sae-yi
Joo Jong-hyuk
Joo Jong-hyuk
Louis
Choi Daniel
Choi Daniel
Kim Ju-ho
Cho Hye-jeong
Cho Hye-jeong
Baek Na-hee
Mi Ram
Mi Ram
Kang Yi-da
Shin Ye-eun
Shin Ye-eun
Yoo Da-eun
Jung Soon-won
Jung Soon-won
Chief Nam
Lee Yu-bi
Lee Yu-bi
Lee Ruby
Pyo Ji-hoon
Pyo Ji-hoon
Ctrl+Z
Park Se-in
Park Se-in
Producer Jang
Sa Moon-young
Sa Moon-young
Love Cell
Shim Kyu-hyuck
Shim Kyu-hyuck
Reason Cell
Park Ji-yoon
Park Ji-yoon
Emotion Cell
Lee Jang-won
Lee Jang-won
Hunger Cell
An Young-mi
An Young-mi
Sensual Cell

Episodes

Season 1
Season 1 Season 2 Season 3
Yumi’s Cells (2021) S01E01 – Episode 1 S01E01 61m
17 Sep 21
Yumi’s Cells (2021) S01E01 – 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?
Yumi’s Cells (2021) S01E02 – Episode 2 S01E02 62m
18 Sep 21
Yumi’s Cells (2021) S01E02 – 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.
Yumi’s Cells (2021) S01E03 – Episode 3 S01E03 69m
24 Sep 21
Yumi’s Cells (2021) S01E03 – 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!
Yumi’s Cells (2021) S01E04 – Episode 4 S01E04 62m
25 Sep 21
Yumi’s Cells (2021) S01E04 – 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.
Yumi’s Cells (2021) S01E05 – Episode 5 S01E05 67m
1 Oct 21
Yumi’s Cells (2021) S01E05 – 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.
Yumi’s Cells (2021) S01E06 – Episode 6 S01E06 71m
2 Oct 21
Yumi’s Cells (2021) S01E06 – 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...
Yumi’s Cells (2021) S01E07 – Episode 7 S01E07 67m
8 Oct 21
Yumi’s Cells (2021) S01E07 – 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.
Yumi’s Cells (2021) S01E08 – Episode 8 S01E08 62m
9 Oct 21
Yumi’s Cells (2021) S01E08 – 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...?
Yumi’s Cells (2021) S01E09 – Episode 9 S01E09 62m
15 Oct 21
Yumi’s Cells (2021) S01E09 – 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.
Yumi’s Cells (2021) S01E10 – Episode 10 S01E10 61m
16 Oct 21
Yumi’s Cells (2021) S01E10 – 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.
Yumi’s Cells (2021) S01E11 – Episode 11 S01E11 67m
22 Oct 21
Yumi’s Cells (2021) S01E11 – 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...
Yumi’s Cells (2021) S01E12 – Episode 12 S01E12 64m
23 Oct 21
Yumi’s Cells (2021) S01E12 – 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...
Yumi’s Cells (2021) S01E13 – Episode 13 S01E13 63m
29 Oct 21
Yumi’s Cells (2021) S01E13 – 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.
Yumi’s Cells (2021) S01E14 – Episode 14 S01E14 62m
30 Oct 21
Yumi’s Cells (2021) S01E14 – 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?

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