Jonghyun's comeback song will be titled "Lonely"!

He'll be releasing his second compilation album 'The Collection: Story Op. 2' at 6PM on April 24. The title song will feature Girls' Generation's Taeyeon, bringing two of SM Entertainment's top vocalists together for their 2nd duet after "Breath" from 'S.M. The Ballad Vol.2'.

The song is led by a soft piano melody and a 6-person string ensemble. Jonghyun and Taeyeon will sing in a conversation style about the loneliness of being alone versus the comfort of being alone.

You can listen to the compilation album on April 24 at 6PM KST!