Introducing the 1st album of the Hip Hop Trio Electro Boyz (Electric Boys) produced by brave brothers! Electro Boyz celebrated the vocal ChaKun in 2011 and continues to work in a 3 group of Maboos and Wong Kine Rapper. In the sequel of his debut song "Ma Boy" from Sistar19, he collaborated with SISTAR Hyorin, we have released her first full album to remember the smash hit of the Ma Boy2, who has been in collaboration with SISTAR Hyorin. Even after all, the "Ma Boy3" opening track. A song that can be called the complete series, and it has been a slow hip hop number that all members have worked with their brave brothers. The total 9 tracks including remix are included in one piece that was completed after a long production period of 1 year.