Yong Jun-Hyung 용준형 Is The Main Rapper Of The Korean Boy Group B2ST From Cube Entertainment. He Is Also A South Korean Singer-Songwriter Rapper Actor Dancer And Record Producer Producing Tracks Such As Yang Yoseob 양요섭 's Caffeine 카페인 Feat. 용준형 Of BEAST And 너 없이 사는 것도 Living Without You With Co-Producer Kim Tae Joo. He Also Produced And Composed B2ST's Hard To Love How To Love And Fellow Band Member Yang Yoseob's Album First College.