Once Upon a Time... Life is a tV series anime, produced by Procidis.

About the production: the story comes from an original script, there are 26 episodes of about 24 minutes and its current status is "finished".

Its main genres are adventure, sci-fi and slice of life, with themes such as Educational, Episodic, Nudity and Ensemble Cast.

On AniList, Once Upon a Time... Life has an average score of 68%, a good score, and appears on 1,950 users' lists.

The series "Once Upon a Time... Life" teaches about the human body and about the different systems in it with the same characters from the other "Once Upon a Time" seasons. "The good Characters" represent the body's defense mechanisms, whereas "the bad Characters" represent the viruses and bacteria that threaten to attack the human body. (Source: Wikipedia)

Official synopsis from AniList.