5 books in series

はたらく細胞 / Cells at Work!

はたらく細胞 / Cells at Work! is a 5-book series with 5 released primary works first released in 2015 with contributions by Akane Shimizu.

Cells at Work!, Vol. 1
Cells at Work! 2
Cells at Work!, Vol. 3
Cells at Work!, Vol. 4
Cells at Work!, Vol. 5