At the event on October 11, Dongjun revealed, "On the various filming sets, Song Seung Hun sunbaenim plays 'Through the Night' (by IU). He then always asks the director, 'Do we have an OST yet?' and adds, 'How about IU?'"

SEE ALSO: Dongjun & Ji Seung Hyun's fan meeting 'Spring Again' postponed

Dongjun also expressed his wish to have IU sing the OST for their drama, saying, "I hope IU will read this news and sing the OST for us."

This is not the first time Song Seung Hun openly showed his love for the singer. During his appearance on 'Witch Hunt', the actor revealed he has become addicted to IU's songs.�

Meanwhile, the first episode of 'Black' is scheduled to air on October 14.�