MBLAQ’s G.O and Mir participated in the soundtrack for KBS ‘IRIS 2’ in support of fellow member, Lee Joon who is starring in the drama.

On March 20th, G.O and Mir released the drama’s fifth OST track “I Am A Fool” through various music sites. Both of them are said to have participated in the production of the rock ballad with the new producing team, Avengers.

Check out the track below: