Song reunited with the writer and director of Worlds Within in That Winter, the Wind Blows, a 2013 remake of 2002 Japanese drama Ai Nante Irane Yo, Natsu ("I Don't Need Love, Summer").
Song bertemu kembali dengan penulis dan sutradara Worlds Within dalam That Winter, the Wind Blows, suatu film buatan ulang 2013 dari drama Jepang tahun 2002 Ai Nante Irane Yo, Natsu ("I Don't Need Love, Summer").