Zion T (Yonhap)

Zion T is set to release “A Day’s Routine” on Thursday for the soundtrack of the tvN drama “Prison Playbook.”

His agency, The Black Label, said Wednesday that the artist would drop the ninth song of the soundtrack of “Prison Playbook” at 6 p.m. Thursday.

Album cover of "A Day's Routine" (The Black Label=Yonhap)

“Prison Playbook” is a black comedy drama that airs Wednesdays and Thursdays at 9:10 p.m. It depicts the life behind bars of a former baseball star.

Zion T also contributed to the soundtrack of the SBS drama “Pinocchio” in December 2014.

Last month, he released the single “Snow,” which topped music charts.

By Cho Yun-myung (yunc39@heraldcorp.com)