Recently, singer IU posted several Instagram stories sharing Jung Seung Hwan’s “Love Letter” music video.

In her post, she couldn’t help but shed tears as she listened to the song.

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Why am I crying…

— IU

In the video clip that she posted, the deaf couple is signing the lyrics to the song in sign language.

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This song gained much spotlight as it was gifted to Jung Seung Hwan by IU.

It’s the first time I’ve given a song and not just lyrics to another artist! Thank you Seunghwan for creating such an amazing final product! The song I wrote is called ‘Love Letter’ and we somehow decided to use this as the title of the song. The title track, ‘We, From The First’ is also great! Anyway Jung Seung Hwan is the best!

— IU

On the other hand, Jung Seung Hwan released his new album, Five Words Left Unsaid, on May 26.