Ewha Womans University have the following requirement.

Full time undergraduate or graduate students in an accredited university or equivalent

• Students who have completed at least one semester at home university with GPA of 2.5/4.0(75/100) or above
  • An official transcript must be ready at the stage of application
  • Graduate students must provide official transcript of graduate-level studies.
• Students with language ability to take courses in either English or Korean

Exchange students are nominated by Ewha’s partner institution with exchange agreements. Nomination must be received prior to the student's application.

Students may visit to the site. http://oia.ewha.ac.kr/oia/1142/subview.do.

I shared your mail with new Head Department of Head, Dr.Yangha Kim and refer to this email, too.