The music heterogeneous fighting battle between the Osaka hip-hop crew "HEISEI BOYS" and the Osaka legend reggae unit "Mighty Jam Rock" has begun here! "HEISEI BOYS" is a masterpiece of dropping flying birds, and "Mighty Jam Rock" is the king of DeeJay "BOXER KID". Keep an eye on the old and new music showdowns in Osaka Naniwa! The beat is also produced by "TAKAFIN" of "Mighty Jam Rock". Enjoy the finest quarrel on beats with a lot of dubstep and metal elements! The time has come ... that's it!