The cells of Yumi 3 has officially ended, and with it, a new romantic comedy star has emerged.
At the center of it all is Kim Jae Won, whose performance as Shin Soonrok is quickly earning him recognition as the next generation male lead in romantic comedies.
After the success of Lovely runner and Ryu Sunjae, who captured hearts with his devoted love, The cells of Yumi 3 introduces another unforgettable male protagonist: Soonrok.
An editorial PD based on principles and logic, Soonrok initially lives by strict rules, especially his policy of not frequenting offices. However, everything changes when he meets Yumi, played by Kim Go Eun.
What follows is a sincere transformation: from moderation to sincerity, from logic to love. Soonrok’s direct confession and unwavering affection embody the modern “younger man” fantasy that viewers adore.
As the final male lead in Yumi’s long romantic journey, Soonrok has never been an easy role to play.

The original webtoon had already established him as an almost “perfect” partner, the one who Yumi eventually marries after having heartbreaks with previous lovers like Goo Woong and Yoo Babi. Naturally, fans had high expectations and even casting discussions went viral online before the show aired.
Yet, Kim Jae won took up the challenge.
With a striking resemblance to the original character and a nuanced emotional delivery, he brought depth and believability to Soonrok, making viewers believe in the love story once again.
Originally a model, Kim Jae Won began his acting career in 2021 and has steadily built his resume through different roles.

From Our blues TO King of the Earth and Netflix Hierarchyhe demonstrated versatility beyond his years. But it is The cells of Yumi 3 this really solidifies his place as the protagonist.
Industry insiders are already taking note. With strong visuals and solid acting skills, a rare combination among actors his age, Kim Jae Won is now seen as a highly sought-after rising star.
With upcoming projects like I oppose my love AND Flowers bloom inside the palaceKim Jae Won shows no signs of slowing down.
Sources: Daum | Everyday

