Yoseob will be having a duet with female indie musician Richard Parkers.

On March 7th, Cube Entertainment announced the surprise collaboration titled 'Sorry' which is set to released on the 11th at midnight.

'Sorry' is said to be an R&B track with Bossa Nova style, about the memory of a first love that can't be forgotten even after a long time. The song is expected to showcase Yoseob's clear vocal and Richard Parkers's husky tone.

'Sorry will be released on March 10th.