Yumi's age is never explicitly stated in the webtoon Yumi's Cells, but based on her career and personal life, she is likely in her late 20s or early 30s.
- Career: Yumi works as a game developer, suggesting she has completed her education and has some professional experience.
- Relationships: Yumi has been in several relationships, indicating she is not a teenager and has had time to develop romantic connections.
- Financial Independence: Yumi appears to be financially independent, living on her own and managing her finances, which is more common among adults than teenagers.
While the exact age is not revealed, the above factors point to Yumi being in her late 20s or early 30s.
