We didn't expect that we would come to love the country as much as we do," said Cho, who speaks fluent Mandarin

Chang was born in Taiwan and moved to the United States as a young child

"It's irresponsible and unhelpful for the settlement of the issue to unjustly blame others and shirk responsibilities in any form," she added

Before coming to China as an adult, she worked at Soon Chun Hyang University as a teacher

However, those who deny history in Japan denigrate them as "paid prostitutes" or "willing volunteers