Chaeyoung is just a normal university student living a peaceful life in Seoul. One day however, she met a mysterious, Japanese woman named Mina. Chaeyoung's life changed when she fell in love and confessed her feelings to Mina. One moment she was in school, and before she knew it, she was being chased by big burly men in tattoos and expensive Rolexes. Also, why is she suddenly in Japan?