Based on the life of the fashion designer Ayako Koshino in Kishiwada, Osaka

The story is based on the life of fashion designer Koshino Ayako, who passed away in 2006 at the age of 92. Although she was a successful designer in Japan, she also single-handily raised three daughters who followed in her footsteps to become internationally known designers, named Hiroko, Junko, and Michiko.