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
Kim Jae-won
as Shin Soon-rok · SUPPORTING
Kim Jae-won
Shin Soon-rok
Jun Suk-ho
as Ahn Dae-yong · SUPPORTING
Jun Suk-ho
Ahn Dae-yong
Lee Yu-bi
as Lee Ruby · SUPPORTING
Lee Yu-bi
Lee Ruby
Mi Ram
as Kang Yi-da · SUPPORTING
Mi Ram
Kang Yi-da
Choi Daniel
as Kim Ju-ho · SUPPORTING
Choi Daniel
Kim Ju-ho
Cho Hye-jeong
as Baek Na-hee · SUPPORTING
Cho Hye-jeong
Baek Na-hee
Sung Ji-ru
as Kim Man-Sik · SUPPORTING
Sung Ji-ru
Kim Man-Sik
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.
Did you know
Trivia & facts
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FAQ