Cells at Work! Creator Opens Up About Personal Struggles During Manga’s Serialization

Akane Shimizu, the creator of the widely acclaimed Cells at Work! series, has spoken publicly about the severe personal hardships she experienced while working on the manga.
In a message shared on her personal X account on June 15, Shimizu discussed a difficult period marked by health challenges, emotional distress, and major family conflicts that unfolded during the manga’s serialization.

Cells at Work! gained international recognition through its inventive concept of portraying the cells of the human body as individual characters carrying out their biological functions and responsibilities.
First launched as a manga in 2015, the franchise later expanded into multiple anime adaptations, theatrical productions, and stage performances, earning a devoted audience around the world through its combination of entertainment and educational themes.

Despite the series’ success, Shimizu revealed that the years spent creating it were accompanied by significant personal suffering.
According to her statement, she was diagnosed with depression and trichotillomania during the manga’s run before later developing Post-Traumatic Stress Disorder (PTSD).
Shimizu also disclosed that she experienced both financial and sexual abuse from a relative, circumstances that were further compounded by what she described as secondary trauma involving members of her own family.
The situation eventually led to a complete breakdown in her relationship with her sister, who had originally served as an inspiration for the creation of Cells at Work!.

Reflecting on those events, Shimizu explained that the experiences remain deeply painful and continue to leave lasting emotional scars.
She added that she hopes to discuss these aspects of her past in a thoughtful way without triggering unnecessary hostility or widespread online controversy.

Following the post, readers and supporters responded with an overwhelming number of encouraging messages expressing gratitude for both the creator and her work.
Many fans highlighted the impact Cells at Work! had on their lives, noting that the series not only entertained audiences but also inspired a genuine curiosity about biology, medicine, and science.

One supporter shared that the children they regularly encountered at a local cafeteria were enthusiastic readers of the manga and often cited it as motivation for learning more about the human body.
The same fan emphasized that the countless people positively influenced by the series would continue to support Shimizu and encouraged her not to forget the difference her work had made.

Another reader recalled watching the anime with their five-year-old son and described how the show became a source of comfort when the child fell ill.
The parent explained that they reassured their son by reminding him that the white blood cells depicted in the anime were working inside his body to help him recover, which immediately eased the child’s fears.

They thanked Shimizu for creating a story capable of providing both education and emotional reassurance, while also pledging their continued support.
A further message came from a parent who credited Cells at Work! with inspiring their daughter’s fascination with biology.
According to the fan, that early interest eventually led their daughter to pursue bioscience studies at university, with the series playing a significant role in encouraging her academic development.

Touched by the flood of supportive responses, Shimizu expressed heartfelt appreciation to everyone who had reached out.
She stated that she carefully reads and treasures every message she receives and described the encouragement from readers as one of the most important sources of strength in her life.
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