Written and composed by the actor himself, this will also be Seo In Guk's first time singing for a drama in which he isn't starring in. �"Flower" is filled with a beautiful melody highlighting Seo In Guk's soft voice.

tvN's 'Tomorrow With You' stars actor Lee Jae Hoon and actress Shin Min Ah in a romantic, fantasy world.

Check out Seo In Guk's lovely voice above!

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