Yumi's Cells
유미의 세포들
“Inside Out meets a grown-up office romance”
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.
Kim Go-eun
as Kim Yu-mi · LEAD
Kim Go-eun
Kim Yu-mi
Ahn Bo-hyun
as Ku Woong · LEAD
Ahn Bo-hyun
Ku Woong
Jinyoung
as Yoo Ba-bi · SUPPORTING
Jinyoung
Yoo Ba-bi
Park Ji-hyun
as Seo Sae-yi · SUPPORTING
Park Ji-hyun
Seo Sae-yi
Lee Yu-bi
as Lee Ruby · SUPPORTING
Lee Yu-bi
Lee Ruby
Mi Ram
as Kang Yi-da · SUPPORTING
Mi Ram
Kang Yi-da
Joo Jong-hyuk
as Louis · SUPPORTING
Joo Jong-hyuk
Louis
Jung Soon-won
as Chief Nam · SUPPORTING
Jung Soon-won
Chief Nam
Streaming
Where to watch
Availability varies by region · Data by JustWatch via TMDB
Quick verdict
Should you watch?
A delightful, inventive romance blending live action and animation.
✓Fans of grounded romance, webtoon adaptations, and playful storytelling devices
✗The animated-cell interludes feel too gimmicky for your taste
Story
What is it really about
A relatable everywoman's love life plays out twice over — in the real world and inside her mind, where animated cells squabble over every feeling. A warm, inventive romance about growing up through relationships.
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Trivia & facts
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FAQ