4Boys S

4Boys S was a half sub-unit, half supergroup of boysband 4Boys under 4Boys Entertainment debiuted on May 12, 2019. The members were: Yoon, Sei, Khram, Vin and Tae. All members (except Tae; he was the member of SixTeens) were also the members of 4Boys' other sub-units.

Members

 * Yoon (2019) - leader, lead rapper.
 * Sei (2019) - lead vocal, main dancer.
 * Khram (2019) - sub-vocal, lead dancer.
 * Vin (2019) - center, main vocal.
 * Tae (2019) - maknae, main rapper, face of group, visual.