SISTAR congratulates ElectroBoyz on their comeback

Electroboyz' "Ma Boy 2" ranks on Inkigayo 'Take 7' for four weeks in a row

Brave Girls' Yejin checks in with fans via Starcall

Electroboyz express their thanks towards SISTAR's Hyorin

Brave Girls member Yejin shares photos from her surprise birthday party

Electroboyz release MV for "Ma Boy 2" + "Rebirth" single

ElectroBoyz releases "Ma Boy 2" teaser ft. SISTAR's Hyorin