Based on the 2015 award-winning novel School Nurse Ahn Eun-young by Chung Serang, it was released on Netflix on September 25, 2020.

[1] Ahn Eun-young is a school nurse with the power to see human desires, feelings, and spirits that exist in the form of "jellies".

Along with a fellow teacher, Hong In-pyo, a man with a special energy field around him that protects him from jellies, she tries to solve these mysterious cases.

On December 19, 2018, Netflix announced that it would produce a 6-part adaptation of the South Korean novel School Nurse Ahn Eun-young.

[4] It was revealed that Jung Yu-mi would portray the titular role when Netflix announced the commission of the series.