Fans of the hit series Yumi’s Cells have their first look at the new season in action. Lead actors Kim Go Eun and Kim Jae Won were recently spotted filming scenes for the highly anticipated third season. The on-set photos and a social media post from Kim Jae Won have generated significant excitement, confirming that production is moving forward for a premiere in the first half of 2026 .
Production Officially Underway
The third season of the TVING-original drama has officially started production. The first sighting of the lead couple came from videos shared online by netizens, showing Kim Go Eun and Kim Jae Won filming a scene together on a busy road. In the clip, the two actors are dressed formally and are seen walking hand-in-hand, with Kim Jae Won’s character, Shin Soon Rok, gently pulling Kim Yumi along .
This new season continues the unique storytelling format that made the show popular, blending live-action with 3D animation to show the inner workings of Yumi’s mind through her animated cells . Kim Go Eun returns as the ordinary office worker turned successful writer, Kim Yumi .
Kim Jae Won Joins as Yumi’s New Love Interest
Kim Jae Won takes on the pivotal role of Shin Soon Rok, who is Yumi’s final love interest from the original webtoon. In the story, Soon Rok is a young editor working at Yumi’s book publisher . The casting has been a major point of discussion among fans. While initial reactions were mixed, many netizens have since expressed approval, noting that Kim Jae Won’s appearance closely matches the illustrations of Shin Soon Rok from the source material .
The actor also fueled fan excitement by sharing a post on his Instagram story related to the show. He wore a black T-shirt featuring Yumi’s animated blue cells, adding the word “cute” to express his affection for the project .
What to Expect in the New Season
Yumi’s Cells 3 will follow Yumi as she navigates her life as a star writer. The plot will explore a new, unpredictable romance that brings excitement to the calm village of her cells . This season focuses on her relationship with Soon Rok, following her previous relationships with Goo Woong (Ahn Bo Hyun) in season one and Yoo Babi (Park Jin Young) in season two .
The cast will include a mix of new and returning faces. Alongside Kim Go Eun and Kim Jae Won, actors like Choi Daniel will join as Kim Joo Ho, a new character created specifically for the drama. Familiar characters will also return, including Yumi’s friend Aida, played by Mi Ram, and Ahn Dae Yong, played by Jeon Seok Ho . Lee Yoo Bi, Jo Hye Jung, and Baek Na Hee are also set to have important roles in the upcoming season .
The series is led by director Lee Sang-Yeob, with writing by Song Jae-Jung and Kim Kyung-Ran, based on the original webcomic by Lee Dong-Gun .
