|Occupations:||Manager of Amamizukan|
|Japanese VA:||Kimiko Saito|
|Mania:||Traditional Japanese dress|
Chieko is the manager of Amamizukan. She is obsessed with dressing in traditional Japanese clothes, such as in a kimono, and collects traditional Japanese dolls. Her mother is the owner of the building, but is rarely present as she is a groupie of Bae Yong Joon.
In chapter 31 Chieko introduces Tsukimi and Kuranosuke to her friend Nomu-san to help them make patterns for their dresses.
• She can talk with her mouth full.