While the public’s eyes are on Skull&Haha’s upcoming title track “Busan Vacance”, the duo has yet made another headlines, challenging some of the other musical duos in the music scene.

 After sending a challenge to Leessang, Skull&Haha has now challenged Hyung Don and Dae Joon. At the end of new challenge clip, Skull&Haha also revealed a preview of their upcoming music video for ‘Busan Vacance’ which features Lee Kwang Soo.

The full mini album will be released on July 30.