Overview: “Yumi’s Cells Season 3” Kdrama (also known as “Yoo Mi’s Cells 3”) is a TVING & tvN original drama series that released on April 13, 2026, and starring Kim Go Eun and Kim Jae Won. It will tell the story of Yumi, who quits her job and becomes a famous writer. Then she meets Sun Rok, the new PD at Julie Publishing, and starts to develop feelings for him.
| Genre | Comedy, Romance, Drama, Life |
| Episodes | 8 |
| Watch Online* | TVING, Viki, HBO Max |
| Director | Lee Sang Yeob |
| Scriptwriter | Song Jae Jung, Kim Kyung Ran |
| Air Time & Schedule | Monday & Tuesday at 06:00 PM KST (TVING) and at 08:50 PM KST (tvN) |

Table of Contents
- Synopsis
- Main Cast & Characters
- Still Cuts
- Notes & Facts
- Trailers & Clips
- Episodes 1, 2, 3,…., Highlights
Synopsis
“Yumi’s Cells” Korean drama tells the story of a 32 year old office employee, Yumi Kim. Her brain is quite an imaginative space where her emotions are represented by cells.
In season 3 Yu Mi quits her job and becomes a famous writer. But after some time, her life feels boring and empty.Then she meets Sun Rok, a younger editor. Sun Rok is quiet and logical, but slowly he starts liking Yu Mi. Yu Mi also begins to feel something new and realizes that even though she writes about love, she doesn’t know much about real love.
Main Cast & Characters
- Kim Go Eun as Kim Yu Mi (a star writer)
- Kim Jae Won as Sin Sun Rok (PD at Julie Publishing)
Still Cuts






Notes & Facts
- Kim Go Eun earlier starred in Korean drama “The Price of Confession” (2025).
- Kim Jae Won earlier appeared in Korean drama “The Art of Sarah” (2026).
- Previous drama on this time slot of tvN is “Siren’s Kiss.”
- This series is based on the webcomic “Yumi’s Cells,” written by Lee Dong-Gun and published from 2015 to 2020 via Naver.
- Season 1 of “Yumi’s Cells” released on September 17, 2021, and Yumi’s Cells S2 released on June 10, 2022.
Trailers & Clips
This is the official trailer for “Yumi’s Cells Season 3” that starts with Yumi meeting the new PD. As the trailer progresses, there’s a shift in their relationship dynamics from being awkward to fluttering feelings.
Episodes 1, 2, 3,…., Highlights
This is the highlight video of “Yumi’s Cells Season 3” that focuses on the new life of writer Yumi and her new romance journey.
*Drama is subject to regional availability.







