Kankoku ren'ai shōsetsu maboroshi no on'na (2002)

A Korean woman named Yeonmi suddenly disappeared from Saeki's life. Saeki traveled to Seoul to find her. Lost and bewildered by the language barrier, Saeki encountered a woman who looked remarkably similar to Yeonmi, named Chihi. Chihi claimed not to know Yeonmi, but in reality, the two were close cousins. Yeonmi had intended to cut ties with Saeki, but upon learning of his visit to Korea, she became deeply shaken. Seeing her distress, Chihi intervened…