The solidarity practice of Japanese citizens who finally realized the exhibition of the “Statue of Peace” through the “Non-Freedom of Expression Exhibition”—more than a decade in the making.

She is an Emeritus Professor of Aoyama Gakuin University. As a Korean in Japan (a Zainichi Korean) and a researcher who laid the foundation for the studies of colonial history and women's history in Japan, she has been playing an important role in investigating the truth about the ‘Comfort Women’ issue. Her main publications include 『Military and Sexual Violence』, 『A Study on the East Asia Japanese military sexual slavery (co-authorship)』, 『A Study of 70 Years of Women's History in Korea (co-authorship)』, 『Colonialism, War, ‘Comfort Women’ for the Military (co-authorship)』, 『War and Social Affairs in East Asia(co-authorship)』, and so on.

She has long been interested in the ‘Comfort Women’ issue and has been striving to unveil the truth about the issue while serving as a professor in English literature at Ewha Womans University. From 1980, she has been searching for and meeting with the ‘Comfort Women’ victims in order to investigate the truth.