HIGH4 release the MV teaser of their title song 'Headache' or  'Bang Bang Bang (literal translation)' from their 1st mini album 'HI HIGH'.

In the clip, the boys are being surprised by Haeryeong out-of-nowhere appearances. The setting suggests a cheerful and lively story line. The song is an urban retro and funky with witty lyrics talking about a man thinking his girlfriend is the prettiest in the world. It is composed by PJ and Lee Jong Hoon.

Meanwhile, HIGH4's 1st mini album will be released on August 27. Check out the MV teaser below: