Kang Geonma, a man who made Busan kneel down on him at the mere age of 18 years old. Something appeared that made his dry heart completely on fire, that is ‘Hip-hop’! How to make Seoul united in order to become a rapper! The man Kang Geonma! Today, he is beating people again to become a rapper! For your reference, both of the authors don’t know a thing about what is rapping exactly is!