He was sentenced to seven years in prison last December.
Yoon claimed he was unknowingly drugged by others in what he described as a"spiking incident.
Rapper Yoon Byung Ho charged with additional jail time for using drugs in detention while awaiting a drug trial
Rapper Yoon Byung Ho (also known by his stage name Bully Da Ba$tard) from 'High School Rapper 2' faces further scrutiny after alleg…
