As we all know, After School is scheduled to comeback with their newest member Lizzy by releasing their third single titled Bang! More details of their comeback were revealed on March 18th, as their single album had a total of four tracks including their title track Bang! The girls teased us previously with their new concept photo which revealed the members in blue marching band uniforms. Well today, After School has finally released their MV teaser of Bang! The MV teaser gives us a sneak peek of their upcoming title track as it reveals upbeat drum tunes. Check it out below! http://www.youtube.com/watch?v=wM2Ki-Z7k9M Stay tuned to their third single Bang! which will be released on the 25th!