Based on webcomic "Yumi's Cells" by Lee Dong-Gun (published from April 1, 2015 to November 13, 2020 via Naver).
Yumi's Cells is being produced using a new format which combines live-action and 3D animation. It is the first time in a Korean drama that such a format is used to produce a TV series.
Yumi was said to be a fan of Lee Dong Gun works (novels), Lee Dong Gun is the name of the original creator of the webtoon "Yumi Cell's".
In one scene in the cells village, chore cell was seen reading the webtoon Yumi Cells while eating a snack.